fun 5-minute math practice pages grades 6-8

Fun 5-Minute Math Practice Pages

Grades 6 8

By Denise Kiernan

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S C H O L A S T I C

BPROFESSIONAL OOKS

Scholastic Inc. grants teachers permission to photocopy the designated reproducible pages from this book for classroomuse. No other part of this publication may be reproduced in whole or in part, or stored in a retrieval system, or transmittedin any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without written permission of

the publisher. For information regarding permission, write to Scholastic Inc., 555 Broadway, New York, NY 10012.

Cover design by Gerard FuchsCover illustration by Mike Moran

Interior design by SolsInterior illustrations by Mike Moran

ISBN 0-439-29469-X

Copyright 2002 by Denise Kiernan

Printed in the U.S.A. All rights reserved.

1 2 3 4 5 6 7 8 9 10 40 02 03 04 05 06 07 08 09

3ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Mountains of Math . . . . . . . . . . . . . . . . . . . . . . . . 5Skill: Multiplication

Fishing for Remainders . . . . . . . . . . . . . . . . . . . . . 6Skill: Division

Savings Multiplication . . . . . . . . . . . . . . . . . . . . . . 7Skill: Order of operations

Camp Average . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Skill: Mean, median, and mode

If the Shoe Fits . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Skill: Lowest common multiples

Stocking Up on Fractions. . . . . . . . . . . . . . . . . . 10Skill: Comparing fractions

Some Fractions Are Created Equal . . . . . . . . . . . . . 11 Skill: Equivalent fractions

Freddys Fraction Swap Meet. . . . . . . . . . . . . . . . . 12Skill: Adding and subtracting fractions

Whole in One. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Skill: Adding and subtracting fractions

And the Winner Is . . . . . . . . . . . . . . . . . . . . . . . . 14Skill: Averaging and ranking decimals

Marathon Math . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Skill: Rate and time

Attention All Shoppers! . . . . . . . . . . . . . . . . . . . . . 16Skill: Adding and subtracting decimals

Thanksgiving Inflation . . . . . . . . . . . . . . . . . . . . . 17Skill: Multiplying with decimals

Decimals in Space! . . . . . . . . . . . . . . . . . . . . . . . . 18Skill: Multiplying with decimals

Per Cents! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Skill: Percents

Household Help From Decimals . . . . . . . . . . . . . . . 20Skill: Percents and fractions

Math Tax! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21\Skill: Computing with percents

Fraction Magic . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Skill: Converting fractions into decimals

The Case of the Missing Angle . . . . . . . . . . . . . . . 23Skill: Geometry, triangles

Sports Time! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24Skill: Circle graphs

Coordinate Scavenger Hunt . . . . . . . . . . . . . . . . . 25Skill: Coordinate points

Squaring Squares . . . . . . . . . . . . . . . . . . . . . . . . . 26Skill: Squaring

Recipe for Math Success . . . . . . . . . . . . . . . . . . . . 27Skill: Multiplying fractions

Mixed Number Mix-Up . . . . . . . . . . . . . . . . . . . . . 28Skill: Multiplying fractions

Flipping Fraction Flapjacks! . . . . . . . . . . . . . . . . . 29Skill: Dividing fractions

Pass the Fractions, Please! . . . . . . . . . . . . . . . . . . 30Skill: Dividing fractions

Year-End Sale! . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Skill: Comparing fractions, decimals, and percents

Recycling Percents . . . . . . . . . . . . . . . . . . . . . . . . 32Skill: Comparing fractions, decimals, and percents

Maths Got It Covered . . . . . . . . . . . . . . . . . . . . . . 33Skill: Geometry, area and perimeter of rectangles and squares

Pyramid Paint Job! . . . . . . . . . . . . . . . . . . . . . . . . 34Skill: Geometry, area of triangles

Math Goes Round and Round . . . . . . . . . . . . . . . . 35Skill: Geometry, circumference and area of circles

Pooch Pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36Skill: Geometry, complex shapes and areas

Tornado Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37Skill: Charts

Touchdown Math! . . . . . . . . . . . . . . . . . . . . . . . . 38Skill: Algebra

First-Rate Math. . . . . . . . . . . . . . . . . . . . . . . . . . . 39Skill: Rate

Bugging Out with Scale . . . . . . . . . . . . . . . . . . . . 40Skill: Scale

Soda Pop Proportions . . . . . . . . . . . . . . . . . . . . . . 41Skill: Proportions

Metric Madness . . . . . . . . . . . . . . . . . . . . . . . . . . 42Skill: Measurement, metric conversion

Putting it All Together . . . . . . . . . . . . . . . . . . . . . 43Skill: Word problems

The Last Word . . . . . . . . . . . . . . . . . . . . . . . . . . . 44Skill: Word problems

Answer Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

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Welcome to Fun 5-Minute Math Practice Pages, a great way to reinforcebasic math skills! The exercises in this resource can be used for assessment,

review, test preparation, or practice.

The Table of Contents lists each practice page and the skill that it covers.

The pages have been written with the latest NCTM (National Council of

Teachers of Mathematics) Principles and Standards in mind. Each page

includes simple, clear directions for the students, allowing them to complete

the pages independently. The pages also work well as homework assignments

or for extra credit.

I hope youll find that the activities are useful and fun math practice for

your students and that they provide you with additional math practice

options throughout the school year.

Enjoy!

Introduction

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Multiplication

Name ______________________________________________ Date ___________________

Mountains of MathIts a long way to the tophave you packed your math? Start with each climber'snumber and multiply it by the number written on the first flag. Write the answeryou get on the blank near the flag. Then take that answer and multiply it by thenumber on the next flag. Continue multiplying until you get to the top of themountain.

(1)______

(2)______(3)______

(4)______

(5)______

(1)______

(2)______

(4)______

(3)______

(5)______

(1)______

(2)______(3)______

(4)______

(5)______

(1)______

(2)______

(4)______

(5)______

(3)______

1. 3.

2. 4.

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Division

Fishing for RemaindersName ______________________________________________ Date ___________________

Can you help these fish get ready for the annual Ocean Waves Dunk and Dive Derby?Each school of fish has to divide into teams, and not everyone will get to compete.There must be exactly 13 fish on each team. Find out how many teams will competefrom each school and how many fish will be waiting on the bench.

1. Waterville High Guppies: 1,874 fishNumber of teams_________ Remainder_________

2. Bay Area Starfish: 2,744 fishNumber of teams_________ Remainder_________

3. Pacific High Sharks: 899 fishNumber of teams_________ Remainder_________

4. Reef Central Sea Horses: 2,222 fishNumber of teams_________ Remainder_________

5. Mid-Atlantic Swordfish: 1,960 fishNumber of teams_________ Remainder_________

How many fish in all will be on the bench? _______________________

Saving for a rainy day? Well, start with just a few cents, and before you know it, it could be pouring! That is, if you use a little multiplication. Heres how:

1. Start by saving 1 penny. 2. Each day, save 2 times as much as you did the day before.

Day Amount Saved That Day Total Amount Saved

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

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Order of operations

Name ______________________________________________ Date ___________________

Savings Multiplication

How much would you save after 20 days? ____________

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Mean, median, and mode

Camp AverageName ______________________________________________ Date ___________________

Averages are everything here at Camp Average. Help these campers find the mean,mode, and median of their groups. If necessary, round your answer to the nearest tenth.

1. Group 1

Mean __________

Mode __________

Median ________

2. Group 2

Mean __________

Mode __________

Median ________

3. Group 3

Mean __________

Mode __________

Median ________

4. Group 4

Mean __________

Mode __________

Median ________

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Lowest common multiples

Name ______________________________________________ Date ___________________

If the Shoe Fits . . .Help our shopkeeper get his pairs of shoes back together. Draw a line to match eachshoe with two numbers to the shoe that has the lowest common multiple of thosetwo numbers.

5, 10

6, 9

7, 5

9, 4

4, 10

8, 6

8, 10

24, 16

12

30

24

48

35

20

36

18

40

103, 4

15, 10

1.

Stock value: Rank:_____

2.


3.


4.


5.


6.


7.


8.


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Comparing fractions

Stocking Up on FractionsName ______________________________________________ Date ___________________

These stocks are quite a bargain, but which is the least expensive and which is themost expensive? To find out, youll need to compare the fractions by changingthem to like fractions. Then, rank the companies from 1 to 8, 1 being the cheapestand 8 the most expensive.

Which stock is most expensive? _______________________________

Which stock is cheapest? _______________________________________

DVDs R Us

Popcorn Emporium

Turbo Track Shoe Sellers, Inc.

Cheesy Charlies Pizza

Worldwide Waterslide Co.

Computer Cats Software

Coast to CoastRollercoasters, Ltd.

Raging Rock West CoastConcert Promotions

__35

__616

__14

__512

__23

__79

__58

__510

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Equivalent fractions

Name ______________________________________________ Date ___________________

Some Fractions Are Created Equal

These fractions have lost their dance partners. But thats okayyou can play matchmaker by using equivalent fractions. Draw a line from each fraction to itsequivalent.

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Adding and subtracting fractions

Freddys Fraction Swap MeetName ______________________________________________ Date ___________________

Freddy is ready to make a swap. Are you? He begins by giving away a portion ofthe fractions he arrived with for another fraction. Continue trading fractions untilthe end of the swap meet.

Freddy arrived at the Saturday Swap Meet with his fraction 2 .

At the end of the swap meet, what fraction is Freddy left with? ___________

__38

__38

__38

__38

__14

__12

__25

__45

__25

__13

__14

__26

__43

He gives Leo in exchange for .

1. 2 = ____

2. Your answer from above + = _____

He gives Lucy in exchange for .

3. _____ _____ = _____

4. _____ + _____ = _____

He gives Ariel in exchange for .

5. _____ _____ = _____

6. _____ + _____ = _____

He gives Mikey in exchange for .

7. _____ _____ = _____

8. _____ + _____ = _____

He gives Diane in exchange for .

9. _____ _____ = _____

1 0. _____ + _____= _____

__14

On this course, the whole is the goal! Each of our players is starting with the number7. As each competitor moves through the course, different fractions are subtractedfrom his or her total. Write your answers in the blanks provided as you go along.The runner who arrives at a whole number first, wins.

Fearless Felix

Rapid Rosa

Which runner won? __________________Fun 5

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Adding and subtracting fractions

Name ______________________________________________ Date ___________________

Whole in One

5__16

1_8

11__163_

8

7__18

5_8

6__24

4_7

1_2

-

-

-

-

-

-

-

-

-

_______

_______ _______

_______

_______

_______

_______

_______

_______

3__8

3__36

7_12

1__4

10__40

3__11

1_4

1_4

-

-

-

-

-

-

-

-

_______

_______ _______

_______

_______

_______

_______

_______

_______

5__24-

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Averaging

And the Winner Is . . . Name ______________________________________________ Date ___________________

Its the finals of the skating competition and the scores are in! But wait a minutethey havent been averaged yet. You can help. First find the average score foreach skater. If necessary, round the score to the nearest hundredth. Then rank theskaters according to their score. The skater with the highest score wins. Write theanswers in the blanks provided.

Icemaster Ike

Scores: 8.7 5.5 9.0 5.6 6.8 7.2 4.5 7.9 6.7 8.2

Average: __________

Alexandra Glider

Scores: 5.8 7.6 4.9 8.8 7.9 6.6 5.9 4.7 6.6 5.5

Average: __________

Double-Axle Dave

Scores: 4.4 5.5 6.6 7.7 8.8 9.9 6.7 7.6 8.7 9.8

Average: __________

Ima S. Kater

Scores: 6.5 7.4 2.9 9.8 9.9 6.5 8.7 7.4 5.8 8.7

Average: __________

________________ ________________ ________________ ________________First Place Second Place Third Place Fourth Place

On your mark, get set . . . GO! Wholl win our math marathon? To find out, use theclues given below to calculate how long it will take each of our runners to finish therace. A marathon is 26.2 miles long. Use the boxes to do your calculations. Betterget started!

1. Carrie runs the first mile in 6 minutes, the next 5 miles at a rate of6 minutes and 30 seconds per mile, and the rest of the race at arate of 7 minutes per mile.

How long does it take Carrie to finish the race? _______________

2. Samantha runs every mile at the same rate, 6 minutes and 45 seconds.

How long does it take Samantha to finish the race? _____________

3. Taylor runs the first 13 miles at a rate of 6 minutes and 10 secondsper mile, and the last 13.2 miles at a rate of 7 minutes and 10 seconds per mile.

How long does it take Taylor to finish the race? _______________

Who finished first?__________________________

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Rate and time

Name ______________________________________________ Date ___________________

Marathon Math

Shopper Number 2:

Amount spent $________ Amount saved $________ Amount left $________

Shopper Number 1:

Amount spent $________ Amount saved $________ Amount left $________

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Adding and subtracting decimals

Attention All Shoppers!Name ______________________________________________ Date ___________________

There are different ways to do this activity. Which way did you do it? ______________________

____________________________________________________________________________________

____________________________________________________________________________________

____________________________________________________________________________________

Its coupon day and our shoppers are ready to rack up the savings! Both arrived atthe store with $50. How much money will each one have left? Add up item costs andsubtract coupon amounts for each shopper\. Then answer the question below.

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Multiplying decimals

Name ______________________________________________ Date ___________________

Thanksgiving Inf lationWant to re-create the first Thanksgiving? All you need are a hundred or so guestsand lots of food. At todays prices, this feast will cost you big bucks! How much?Read the table below and fill in the prices by multiplying the number needed bypounds per item and cost per pound.

What is the total cost of the meal? ____________________

Item Number of Pounds Price Total Items Needed Per Item Per Pound Price

Turkey 14 16 $4.50

Lobster 140 1.25 $7.99

Goose 20 12 $3.89

Rabbit 47 2 $4.79

Venison (deer) 5 100 $12.99

Cornbread 700 1 $3.66

Pumpkin 14 10 $1.09

Source: The New York Times

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Multiplying decimals

Decimals in Space!Name ______________________________________________ Date ___________________

How much do you weigh on Jupiter? Well, you donthave to hop on the next rocket ship to find out. Allyou need is a little math and our Cosmic ConversionChart. Read each question below. Then use theconversion chart to find the answers. Write your

answers in the spaces provided.

Cosmic Conversion Chart

Planet, Sun, or Moon Multiply weight on Earth by

Sun 27.90

Mercury .38

Venus .91

Earth 1.00

Moon .17

Mars .38

Jupiter 2.36

Saturn .92

Uranus .89

Neptune 1.12

Pluto .07

1. Astronaut Angela weighs 135 pounds onEarth. How much does she weigh on

a. the Moon? __________

b. Uranus? ____________

c. Mars? ______________

2. A backpack full of school books weighs13.4 pounds on Earth. How much does itweigh on

a. Jupiter? ____________

b. Mercury? __________

c. the Sun? ____________

3. The American flag and pole that wereplaced on the moon weighed 8.5 poundson Earth.

a. How much did they weigh on the Moon? ____________

b. How much would they weigh on Saturn? ____________

4. Say a dune buggy for planet driving weighs2,380 pounds on Earth. How much wouldit weigh on

a. Pluto? ______________

b. Neptune?____________

c. Venus?______________

5. How much would you weigh on each ofthese different planets?

Mercury_______Venus_______ Mars_______

Jupiter_______ Saturn______ Uranus______

Neptune______ Pluto________

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Percents

Name ______________________________________________ Date ___________________

Per Cents!These cents make sense when it comes to working with percents! Remember: Thereare 100 cents in every dollar, so calculating percents with money is a snap! Read thequestions below and look at the group of coins listed, then calculate what percenteach group of coins is equal to.

1.

= _____ percent of $1?

2.


3.


4.


5.

= _____ percent of $10?

6.


7.


8.


9.

= _____ percent of $18?

10.


Some people have some pretty smartand pretty strangeuses for things aroundthe house. Here are just a few. Match each percent to its fraction equivalent andyoull find a wacky use for some common household items. When necessary,round up to the nearest percent.

1. vinegar 38% can be used to relieve a toothache

2. powdered milk 60% can help get gum out of your hair

3. petroleum jelly 52% can soothe a sunburn

4. cola 25% can dry up pimples

5. hot sauce 78% can relieve itching from chicken pox

6. salt 75% can eliminate kitchen odors

7. yogurt 33% can be used as house paint

8. oats 83% can be used to clean your toilet bowl

9. toothpaste 56% can be used to keep fleas away

Source: Paint Your House With Powdered Milk and Polish Your Furniture With Panty Hose by Joey Green. Fu

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Percents and fractions

Household Help From Decimals

Name ______________________________________________ Date ___________________

__34

__13

__35

__56

__38

__59

__1529

__79

__14

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Computing with percents

Name ______________________________________________ Date ___________________

Math Tax!You finally got that after-school job and here comes your first paycheck. But waitsome of your money is missing! Thats taxes. To find out how much these kids hadto pay in taxes, use math to calculate.

1. Alan makes $150 a month and gets taxed 15%.

a. How much money does he have to pay in taxes?____________

b. How money does he get to take home?____________

2. Erin makes $300 a month.

a. How much would she make in one year ifno taxes were taken out? ____________

b. How much would she bring home in one month if she is taxed 17%? ____________

c. How much would she take home in one year if she is taxed 17%? ____________

d. How much in taxes would Erin pay in one year? ____________

3. Sarah lives near the state line and has a part-time job in each of two states. In one state, she makes $200 a month and gets taxed 16%. In the other state, she makes $150 a month and gets taxed 14%.

a. How much money did Sarah earn altogether in one month, before she paid her taxes? _________________

b. How much did Sarah pay in taxes on the $200 she earned? ____________

c. How much did Sarah pay in taxes on the $150 she earned? ____________

4. Cary wants to save enough money to buy a used car that costs $1,500. He makes $325 a month before taxes. He is taxed 18%.

a. How much money does he get to keep each month? ____________

b. How many months will it take for him to save up enough money to buy the car? _________________

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Converting fractions into decimals

Fraction MagicName ______________________________________________ Date ___________________

Can you perform some fraction magic! For your first trick, try changing thesefractions into decimals. If necessary, round each decimal to the hundredths place.Then, rank the decimals from smallest to largest by writing them from left toright in the blanks provided. And for your grand finale, use the key below tocomplete the riddle. Youre on!

Fraction Decimal

1. ______

2. ______

3. ______

4. ______

5. ______

6. ______

7. ______

8. ______

9. ______

10. ______

Rank the decimals from smallest to largest:

____ ____ ____ ____ ____ ____ ____ ____ ____ ____T H B T A E E L F R

Q: What does Mr. Fraction call Mrs. Fraction?

A: My ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ !.5 .67 .4 .53 .63 .89 .44 .58 .7 .85

__12

__23

__25

__58

__49

__710

__1113

__815

__89

__712

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Geometry: triangles

Name ______________________________________________ Date ___________________

The Case of the Missing Angle

75

60

90

70

20100

4592

79

37

5893

45

90

36

108 ?

?

?

?

?

?

?

?

29

45

30

35

64

60

43

36

The search is on. These triangles are all different, but they have one thing incommoneach is missing an angle! Where could these angles be? Not to worry.Our detective is hot on the case and you can help her out. First, look at each triangle. Determine what size angle will completethat triangle. Then, write the letter of the angle onthe line near the triangle it completes.

1. 5.

________ ________

2. 6.

________ ________

3. 7.

________ ________

4. 8.

________ ________

a. e.

b. f.

c. g.

d. h.

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Circle graphs

Sports Time! Name ______________________________________________ Date ___________________

How much time do you spend each week playing sports? One hour? Two? Maybeeven three? Before you answer that question, take a look at the results of onesurvey. Use the graph to answer the questions below. You will be asked to give your answers in fractions or percents. Be sure your fractions are in lowest terms.

1. What fraction of kids play sports 2 to 5 hours a week? ____________

2. What fraction of kids play sports 8 or more hours a week? ____________

3. What percent of kids play sports 0 to 5 hours a week? ____________

4. What fraction of kids play sports 0 to 5 hours a week? ____________

5. What percent of kids play sports 5 or more hours a week? ____________

6. What fraction of kids play sports 5 or more hours a week? ____________

7. What percent of kids play sports up to 8 hours a week? ____________

8. What fraction of kids play sports up to 8 hours a week? ____________

0 to 2 hours26%

2 to 5 hours29%

5 to 8 hours21%

8 or morehours 24%

Amount of Time Kids SpendPlaying Sports Each Day

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Coordinate points

Name ______________________________________________ Date ___________________

Coordinate Scavenger Hunt

This coordinate grid map may not show you how to get to an airport, but it willshow you where to find a skateboard! Read each question and look at the grid.Write the name of the item or the coordinates in the blanks provided.

1. What is located at (4, 2)? __________________________________________________________

2. Where is the mountain located (give coordinates)? ____________________________________

3. Where is the skateboard? __________________________________________________________

4. What is located at (3, 1)? ________________________________________________________

5. What will you find at (0, 3)? ______________________________________________________

6. Where can you go to find the treasure chest? ________________________________________

7. What will you find at (6, 3)? ______________________________________________________

8. Where is the bike located? ________________________________________________________

0

1

2

3

3

2

1

2 4 60246 5 3 1 1 3 5

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Squaring

Squaring SquaresName ______________________________________________ Date ___________________

What do you do to the length of a side of a square to find its area? Square it, ofcourse! First, look at the length of the side for each square below. Then square thatnumber to find the area of the square. Write your answer inside each square. Thenuse your answers to solve the riddle below.

Q: What did one quadrilateral say to the other?

A: Youre ____ ____ ____ ____ ____ ____ ____ ____!36 81 169 121 64 225 16 49

1.

2.

3.

4.

5.6.

7.

8.9.

10.

11. 12.

3 in.

(T) 4 in.

(R)

9 in.

(O)

5 in.

(I)

11 in.

(Q)

10 in.

(D)

6 in.

(S)

12 in.

(L)

13 in.

(S)

8 in.

(U)7 in.

(E)

15 in.

(A)

Mmmm. You finally found the perfect tortilla recipe for your party. But waitthisrecipe only makes 12 tortillas and you need more than that. What do you do?Multiply fractions, thats what! The chart below gives you the ingredients to makeone batch of tortillas. Multiply the amount of each ingredient by the number ofbatches listed below to increase the recipe.

Ingredient Amount needed Amount needed Amount needed Amount needed for 1 batch for 3 batches for 5 batches for 6 batches(12 tortillas) (36 tortillas) (60 tortillas) (78 tortillas)

1. All-purpose 1 cups __________ __________ __________flour

2. Whole-wheat cup __________ __________ __________flour

3. Salt teaspoon __________ __________ __________

4. Baking powder teaspoon __________ __________ __________

5. Vegetable cup __________ __________ __________shortening

6. Hot water cup __________ __________ __________

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Multiplying fractions

Name ______________________________________________ Date ___________________

Recipe for Math Success

__13

__23

__34

__23

__14

__12

__12

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Multiplying fractions

Mixed Number Mix-UpName ______________________________________________ Date ___________________

These mixed numbers sure are mixed up! To straighten them out, first, rewrite eachmixed number correctly and in the lowest terms. Then multiply. Next, make sureyour answers are again written as mixed numbers and in the lowestterms. Finally, answer the questions at the bottom of the page.

Mixed-Up Mixed Rewrite AnswerNumbers Problem

1. 1 x 1 ____________________ _____________

2. 3 x 2 ____________________ _____________

3. 1 x 3 ____________________ _____________

4. 10 x 1 ____________________ _____________

5. 5 x 2 ____________________ _____________

6. 9 x 8 ____________________ _____________

7. 5 x 7 ____________________ _____________

8. 1 x 4 ____________________ _____________

9. Which one of these problems could represent the area of a rectangle with a length of 12 and a width of 2 ? ___________

10. Which one of these problems could represent the area of a square with a side length of 10 ? ___________

__74

__18

__176

__53

__19

__95

__73

__75

__318

__187

__65

__115

__209

__107

__198

__2011

__13

__25

__15

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Dividing fractions

Name ______________________________________________ Date ___________________

Flipping Fraction Flapjacks!Reciprocals are easy when you have a cook to flip your fractionsfor you! Look at each division problem written on the pancakesbelow. In the second column, rewrite each problem. Be sure to flipthe second fraction each time. Then, write the answer on the lineprovided, and convert your answers to mixed numbers in lowestterms. We did the first one for you.

Problem Rewrite the Problem Answer

1. : = x =

2. : = x = ___________

3. : = x = ___________

4 : = x = ___________

5. : = x = ___________

6. : = x = ___________

7. : = x = ___________

8. : = x = ___________

__78

__14

__13

__15

__14

__18

__12

__23

__45

__17

__13

__23

__34

__12

__79

__16

3

25

36

__78

__41

__ 288

__12

= 3

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Dividing fractions

Pass the Fractions, Please!Name ______________________________________________ Date ___________________

Our cooks are ready to serve up some super chow, but theyre not quite sure howmany servings they have of each tasty treat. But they do know the amount of foodthey have and what each serving size should be. You can help them figure out therest by dividing fractions. For each food item listed below, divide the total amountof food by the serving size. Your answer will be the number of servings. Write it inthe space provided.

Total Amount Serving Size Number of Servings

1. 8 cups vegetable soup 1 cups _____________

2. 3 cups beef stew cup _____________

3. 3 cups peas cup ______________

4. 7 cups carrots cup _____________

5. 8 cups rice 1 cups _____________

6. 3 cups chocolate pudding cup _____________

If each guest gets at least one serving of everything, how many guests are there? _____________

__14

__34

__18

__1112

__38

__59

__13

__14

__13

__12

__34

__34

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Comparing fractions, decimals, and percents

Name ______________________________________________ Date ___________________

Year-End Sale!Its the big year-end close-out sale! How much can you save? Fractions are the keyto your shopping success and savings. For each item below, look at the price andthe discount. Then write the amount ofmoney youll save and the final price of each item in the blanks provided.

Item Original Price Discount Amount Saved New Price

1. Jeans $24.00 off ______________ ______________

2. Tennis shoes $38.00 43% off ______________ ______________

3. Sweaters $28.00 off ______________ ______________

4. Tank tops $12.00 15% off ______________ ______________

5. Shorts $18.00 off ______________ ______________

6. Skirts $29.00 22% off ______________ ______________

7. Dresses $34.00 off ______________ ______________

8. T-shirts $14.00 9% off ______________ ______________

9. Overalls $36.00 off ______________ ______________

10. Jackets $41.00 19% off ______________ ______________

11. Hats $12.00 20% off ______________ ______________

12. Gloves $16.00 8% off ______________ ______________

13. Dress shoes $49.00 off ______________ ______________

14. Vests $32.00 off ______________ ______________

15. Coats $85.00 30% off ______________ ______________

__23

__38

__14

__47

__311

__16__18

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Comparing fractions, decimals, and percents

Recycling PercentsName ______________________________________________ Date ___________________

We're not just talking trash . . . . These trash factswill amaze you. First solve the problem. Draw a linefrom each problem to its correct answer. Then writethe answer to the question in the blank provided.

12: 75,000

7: 250 million

442: about

9: 4 pounds

8: 8 million

165: 130 million tons

42: more than 100 years

128: 2.5 million

1. 15% of 80 = _____________How many trees are used to make all the copies of the Sunday New York Times each week? _____________

2. 12% of 75 = _____________How much trash in pounds does the average Americanthrow away each day? _____________

3. 25% of 660 = _____________Since 1960, the amount of trash in pounds thrown away by average Americans each year has increased how much? _____________

4. 35% of 120 = _____________A Styrofoam package left on the side of the road would take how many years to decompose? _____________

5. 64% of 200 = _____________In just one hour, about how many million plastic soda bottlesare thrown away in the United States? _____________

6. 8% of 100 = ___________About how many million miles of aluminum foil is used in the United States each year? _____________

7. 85% of 520 = _____________What fraction of newspapers printed in America are recycled? _____________

8. 14% of 50 = _____________How many million tires do Americans throw away each year? _____________

__13

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Geometry: area and perimeter of rectangles and squares

Name ______________________________________________ Date ___________________

Maths Got It CoveredBundle up! Our quilt of math has got you covered. How much area will it coverexactly? Thats for you to find outusing area and perimeter formulas. First, look atthe length and width of each patch. Then, find the area and the perimeter of eachsquare or rectangle. Finally, write your answers in the blanks within each patch.

What is the perimeter of the entire quilt? _______________________

What is the area of the entire quilt? _____________________________

5 in.

4 in.

6 in.

8 in.

7 in.

8 in.

2 in.

9 in.

4 in.

3 in.

2 in.

4 in.

7 in.

6 in.

3 in.3 in.

5 in.

3 in.

6 in.

3 in. 3 in. 3 in.3 in. 2 in.11 in.

5 in.

10 in.

2 in. 2 in.

3 in.

1

2 3 4

5

6

7

13

8 910

15

11

12 14

P = _____ A = _____

P = _____ A = _____ P = _____ A = _____P = _____ A = _____

P = _____ A = _____

P = _____ A = _____P = _____ A = _____

P = _____ A = _____

P = _____ A = _____

P =_____

A =_____

P =_____

A =_____

P = _____

A = _____

P = _____

A = _____

P = ___

A = ___

P = ___

A = ___

5. Area of triangle:

_____________

Area of pyramid:

_____________


_____________

Area of pyramid:

_____________


_____________

Area of pyramid:

_____________

8.

Area of triangle:

_____________

Area of pyramid:

_____________

1.Area of triangle:

_____________

Area of pyramid:

_____________

2.

Area of triangle:

_____________

Area of pyramid:

_____________

3.

Area of triangle:

_____________

Area of pyramid:

_____________


_____________

Area of pyramid:

_____________

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Geometry: area of triangles

Pyramid Paint Job!Name ______________________________________________ Date ___________________

Its time for a new paint job. How much area do our painters need to cover? Each side of a pyramid is a triangle. First, find the area of each triangle. Then find the total surface area of each pyramid.Write your answers on the blanks provided.

Area of a triangle = (bh)__12

B = 5 ft. H = 10 ft.

B = 8 ft. H = 12 ft.

B = 4 ft. H = 11 ft.

B = 14 ft. H = 6 ft.

B = 7 ft. H = 8 ft.

B = 4 ft. H = 7 ft.

B = 9 ft. H = 6 ft.

B = 12 ft. H = 13 ft.

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Geometry: circumference and area of circles

Name ______________________________________________ Date ___________________

Math Goes Round and RoundWhew! All these circles are getting me dizzy! Theyre everywhere! How big are they?Thats for you to find out. Look at the measurement given for each circle. Use thatmeasurement to find the remaining information. Write your answers on the blanksprovided. Leave your answers in terms of pi.

1. Truck tire

d = 4 ft.

r = ________

c = ________

a = ________

2. Car tire

d = ________

r = 1.5 ft.

c = ________

a = ________

3. Bicycle

d = ________

r = 10 in.

c = ________

a = ________

5. Lollipop

d = 2 in.

r = ________

c = ________

a = ________

6. Buggy wheel

d = ________

r = 2.5 in.

c = ________

a = ________

7. Hula hoop

d = ________

r = 3 ft.

c = ________

a = ________

4. Tricycle wheel

d = 4 in.

r = ________

c = ________

a = ________

Circumference = pi(r+r)Area = pi(r2)

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Geometry: area of complex shapes

Name ______________________________________________ Date ___________________

These arent your ordinary dogs. These pampered pooches have their own pools.How big are the pools? Use the measurements below to find the totalarea of each dogs pool. Write your answers in the space provided.

2.

What is the area of the rectangle? _______________

What is the area of the square? _______________

What is the area of the triangle? _______________

What is the total area? _______________

Pooch Pools

L = 8 ft. W = 4 ft.

W = 6 ft.

B = 6 ft. H = 8 ft.

B = 3 ft.H = 4 ft.

L = 3 ft. W = 7 ft.

W = 3 ft. 1.

What is the area of the rectangle? _______________

What is the area of the square? _______________

What is the area of the triangle? _______________

What is the total area? _______________

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Charts

Name ______________________________________________ Date ___________________

We have measurements for lots of different things. But haveyou ever wondered how to measure the strength of somethingas powerful as a tornado? Well, scientists use the Fujita scaleto do just that. The Fujita Scale is printed here. First readthrough it. Then, use the information to answer the questionsbelow. Write your answers in the blanks provided.

FUJITA SCALEFujita Scale Wind Speed Damage Level

Rating

F0 4072 mph Can break the limbs off trees and uproot small trees

F1 73112 mph Can peel the roof off a house and push a car across the ground

F2 113157 mph Can destroy a mobile home, uproot large trees, and throw light objects

F3 158206 mph Can wreck the wall of a building and overturn a train

F4 207260 mph Can destroy a home, blow down small structures, and throw cars

F5 261318 mph Can throw and completely demolish a home, throw a car more than 300 yards, and tear the bark off trees

1. A tornados wind speed is measured at 142 miles per hour. What is its rating? ____________________

2. An F-3 tornado is being tracked.

a. What is its fastest possible wind speed? ______________________

b. What is its slowest possible wind speed? ______________________

3. A tornado hits, and the damage is beingassessed. A lot of trash cans have beenblown around and a few houses have roof damage.

a. What would you estimate the rating ofthis tornado to be? _________________

b. What is its fastest possible wind speed? ______________________

4. A storm begins with winds of 35 mph.Soon winds have picked up to 50 mph.Finally, winds are at 110 mph.a. When was the storm first considered a

tornado? __________________________

b. What was its initial Fujita rating? _____

c. What was its final Fujita rating? ______

5. A tornado starts out with winds of 62 mph.

a. What is its rating? __________________

b. What is the most its wind speed can increase for it to remain at that rating?________________________

c. How much faster must its wind speed getto be rated an F2? _________________

d. What is the most its wind speed canincrease to remain an F2? __________

Tornado Time

38

Algebra

Touchdown Math!Name ______________________________________________ Date ___________________

Let the games begin! Football games that is. Use the information in the box to figure out the winners in these games.

Game 1

Knights 1T + 2F = ________

Rockets 1T + 3S + 1C = ________

Winners: _________________

Game 2

Eagles 2T + 1C + X = ________

Stars 3T + 3X = ________

Winners: _________________

Game 3

Sharks 2T + 3F + 2X = ________

Tanks 1T + 4F + 1C + 2S = ________

Winners: _________________

T = touchdown = 6 pointsF = field goal = 3 pointsX = extra point = 1 pointC = two-point conversion = 2 pointsS = safety = 2 points

Game 4

Bears 4T + 3X + 1C = ________

Kings 5T + 2X + 3C = ________

Winners: _________________

Game 5

Mustangs 3T + 2X + 1C + 2F = ________

Lions 2T + 2X + 3F + 2S= ________

Winners: _________________

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Rate

Name ______________________________________________ Date ___________________

First-Rate MathThe race is over! But were not going to tell you who won. Well tell you how farthey drove and how long it took them to do it. The rest is up to you. First, look at the distance of each drivers race and the amount of time it took him or her tofinish. Then, divide the distance by the time to get the rate. Round your answersto the nearest thousandth. Finally, rank the drivers from fastest to slowest.

Rate = Distance Time

Luis the Lapper

Distance = .25 miles

Time = 6 seconds

Rate = ___________

Speedy Sam


Time = 8 seconds

Rate = ___________

Cruisin Carol

Distance = .8 miles

Time = 10 seconds

Rate = ___________

Debbie Dragster


Time = 11 seconds

Rate = ___________

__________ __________ __________ __________

First Place Second Place Third Place Fourth Place

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Scale

Bugging Out With ScaleName ______________________________________________ Date ___________________

These are some big bugs! Dont worrytheyre just models made with a lot of creativity and a lot of math. What kind of math? Scale. Use scale to answer each ofthe questions below.

1. A ladybug is .75 inches long. The model ladybug is 200 times as long, or is built on a scale of 1/200.

How big is the model? _______________

2. Your pet beetle is 1.91 inches wide. The model of him is 195 times as wide, or on a scale of 1/195.

How many inches wide is the model? _______________

3. Your beetle is 1.28 inches tall.

a. Using the same scale as in question 2, how tall is the model of your beetle? ___________

b. Using a scale of 1/210, how tall is the model of your beetle? _______________

4. A model is made of a locust. The real locust is 1.5 inches long. The scale used to make the model is 1/250.

How long is the locust model? _______________

5. The wingspan on the real locust is 2.5 inches.

a. Using the scale from above, what is the wingspan on the model? _______________

b. If you used a scale of 1/300, what would be the wingspan of the model? _____________

6. Now work backwards. The model of the praying mantis was built on a scale of 1/360.

a. The model is 792 inches tall. How tall is the real praying mantis? _______________

b. The model is 1,332 inches long. How long is the real praying mantis? _______________

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Proportions

Name ______________________________________________ Date ___________________

Soda Pop ProportionsYouve never had sodas that pop like these! What makes them so special? The secret ingredient, thats what. What is the secret ingredient? We cant tell you that, but we will tell you how much secret ingredientyou need for one bottle of each of the eight flavors. Time to head to the test kitchen to mix up a few batches. All you need are proportions to do the rest. Read the information below. Then set up and solve proportions to complete the chart.

Flavor Amount of Secret Number of Amount NeededIngredient Per Bottle Bottles Needed

1. Elixir .37 ounces 125 __________________

2. Slurpfest .22 ounces 210 __________________

3. Taste Tester .53 ounces 150 __________________

4. Yummalicious .09 ounces 175 __________________

5. Fizzy Lizzy .48 ounces 260 __________________

6. Yikes! .34 ounces 245 __________________

7. 2 Too Much .67 ounces 520 __________________

8. Slammin .43 ounces 480 __________________

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Measurement: metric conversion

Metric MadnessName ______________________________________________ Date ___________________

Do you know how many kilograms you weigh? What about how many meters tall you are? Well, our metric conversion chart should help. Use it to answer the following questions. Write your answers on the blanks provided.

1. A football field is 100 yards long. How many meters long is that?

____________________________________

2. Youre driving 100 kilometers per hour. The speed limit is 55 miles per hour.

a. Are you going over the speed limit? ______________________________

b. How much faster or slower are yougoing in miles per hour? ______________

c. How much faster or slower are yougoing in kilometers per hour?

__________________________________

3. George is 6'5" tall. Drake is 2.1 meters tall.

a. Who is taller, George or Drake?

__________________________________

b. What is their height difference in inches? ____________________________

c. What is their height difference in centimeters? ________________________

4. Roger used to weigh120 pounds. Now heweighs 59 kilograms.

a. Did he lose or gain weight?

__________________________

b. How many pounds, moreor less, does he weigh?

______________________

c. How many kilograms, more or less,does he weigh? ____________________

5. Which costs less: 12 pounds of strawberries for $15, or 9 kilograms for $20? ______________

Some Metric Conversions(Multiply to convert)

1 inch = 2.54 centimeters1 centimeter = .39 inch1 kilogram = 2.2 pounds

1 pound = .45 kilogram1 meter = 3.28 feet

1 foot = .3 meter1 kilometer = .62 mile

1 mile = 1.6 kilometers1 yard = .9 meter

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Word problems

Name ______________________________________________ Date ___________________

Putting It All TogetherUse all of your math knowledge to answer to find the solutions to these problems.

1. This season, Robbie took 84 free-throw shots. He made 12.

a. What fraction did he make? __________________________________________________

b. What percentage did he miss? ________________________________________________

2. A blouse that cost $20 goes on sale for $15.

What is the percent decrease in price? ____________________________________________

3. You need 1 cups of sugar for 1 batch of cookies.

a. How much do you need for 5 batches? ________________________________________

b. 6 batches? ______________________________________________________________

c. 7 batches? ______________________________________________________________

4. Rachel sees beans on special, 5 cans for $2. Another brand is 35 cents a can.

a. Which costs less? ____________________________________________________________

b. What is the difference in price? ________________________________________________

5. Roger is painting the outside of his garage. It is 30 feet long and 25 feet high.

a. What is size of the area that he is painting?______________________________________

b. For every 15 square feet that he will paint, Roger needs 1 gallon of paint.

How many gallons will he need to paint the garage? ________________________________

6. Mr. Calverts class is raising money for a local charity. They raised $2,450 all together,

this amount by selling raffle tickets, and from their bake sale. They raised the rest

of the money by holding a car wash.

a. What fraction of the money was raised from the car wash? ________________________

b. What percent of the money was raised from the car wash? ________________________

c. What percent of the money was raised from the bake sale? ________________________

d. How much money was raised from the bake sale? ________________________________

__38

__12__34

__12

__18

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Word problems

The Last Word Name ______________________________________________ Date ___________________

Use all of your math knowledge to answer to find the solutions to these problems.

1. Al is making a model of city hall. His model is 1/200 the height of the real building.

a. If the model is 3 feet tall, what is the actual height of the real building? ________________

b. If the actual width of a window is 24 feet, what is the width of the window on the model? Give your answer in inches. ______________________________________________________

2. A sumo wrestler is trying to gain weight for a big match. His weight increases from 300 pounds to 350 pounds.

a. What is the percent increase in his weight?________________________________________

b. There are 2.2 pounds in 1 kilogram. What was his initial weight in kilograms?__________

c. What is his new weight in kilograms? ____________________________________________

3. It takes 754 bags of food per year to feed the 18 elephants at the zoo. The number of elephants at the zoo increases by .

a. How many elephants are there now? ____________________________________________

b. How many bags of food will be needed to feed them all?____________________________

4. Larry is on a road trip. In the first 30 minutes, he drives 32 miles. In the next 30 minutes, he drives 29 miles.

a. What is his rate, in miles per hour, for the first half hour?____________________________

b. What is his rate, in miles per hour, for the second half hour? ________________________

c. How far did he drive in the entire hour? __________________________________________

d. What is his rate in miles per hour for the entire hour? ______________________________

5. Jack takes a 555-minute flight.

a. How long is the flight in hours and minutes? ______________________________________

b. Approximately 38% of the flight was over water. How much time, in hours, minutes, and seconds was spent flying over water?____________________________________

__16

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Page 5 Mountains of Math 1. climber number 17: 51; 408;

2,448; 29,376; 264,384

2. climber number 14: 98; 196; 980; 10,780; 43,120

3. climber number 21: 63; 819; 4,095; 12,285; 110,565

4. climber number 18: 72; 144; 720; 10,080; 30,240

Page 6 Fishing forRemainders Waterville High Guppies: number ofteams: 144 remainder: 2

Bay Area Starfish: number of teams:211 remainder: 1

Pacific High Sharks: number ofteams: 69 remainder: 2

-Reef Central Sea Horses: number ofteams: 170 remainder: 12

Midatlantic Swordfish: number ofteams: 150 remainder: 10

27 fish are on the bench.

Page 7 SavingsMultiplication(answers in pennies)

Total saved in dollars: $10,485.75

Page 8 Camp Average 1. mean: 7.43; mode: 4; median: 7 2. mean: 7.6; mode: 12; median: 6 3. mean: 7.1; mode: 2; median: 8 4. mean: 8.1; mode: 7; median: 7

Page 9 If the Shoe Fits... Correct matches are: 3, 4 12 15, 10 30 8, 10 40 9, 4 36 8, 6 24 5, 10 10 7, 5 35 6, 9 18 24, 16 48 4, 10 20

Page 10 Stocking Up on Fractions 1. 5 2. 2 3. 1 4. 3 5. 7 6. 6 7. 10 8. 4 Coast to Coast Rollercoasters, Ltd.is the most expensive.

Turbo Track Shoe Sellers, Inc. is cheapest.

Page 11 Some Fractions Are Created Equal Equivalent fractions are:

Page 12 Freddy's Fraction Swap Meet

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

At the end of the swap meet, Freddy has 2 .

Answer Key

Answer Key

Day Amount Saved That Day

Total Amount Saved

1

2

3

4

5

6

7

8

9

10

11

12

13

1

2

4

8

16

32

64

128

256

512

1,024

2,048

4,096

1

3

7

15

31

63

127

255

511

1,023

2,047

4,095

8,191

2 = 2 5__81__4

1__8

2 + = 2 1__83__8

1__2

2 = 2 1__21__2

2 + = 2 2__52__5

2 = 1 2__54__5

3__5

1 + = 2 3__52__5

2 = 1 1__32__3

1 + = 1 2__31__4

11__12

1 = 1 11__12

2__6

7__12

1 + = 1 = 2 7__1216__12

23__12

11__12

14

15

16

17

18

19

20

8,192

16,384

32,768

65,536

131,072

262,144

524,288

16,383

32,767

65,535

131,071

262,143

524,287

1,048,575

,5__8

15__24

,3__16

6__32

,1__3

7__21

,7__13

21__39

,4__5

16__20

,4__11

20__55

,2__7

8__28

,4__9

20__45

11__12

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46

Page 13 Whole in One Fearless Felix

It took Felix 5 obstacles.

Rapid Rosa

It took Rosa 7 obstacles.

Fearless Felix is the winner.

Page 14 And the Winner Is... Icemaster Ike average: 7.01 Alexandra Glider average: 6.43 Double-Axle Dave average: 7.57 Ima S. Kater average: 7.36

First Place: Double-Axle Dave Second Place: Ima S. Kater Third Place: Icemaster Ike Fourth Place: Alexandra Glider

Page 15 Marathon Math 1. 3 hours, 5 minutes, 30 seconds 2. 2 hours, 55 minutes, 30 seconds 3. 2 hours, 53 minutes, 20 seconds

Taylor finished first.

Page 16 Attention AllShopper 1 spent $21.96, saved$2.41, and has $28.04 left over.

Shopper 2 spent $21.25, saved$3.57, and has $28.75 left over.

Answers describing ways to do thisactivity will vary, but students shouldexplain their method clearly.

Page 17 ThanksgivingInflation

Turkey $1,008.00 Lobster $1,398.25 Goose $933.60 Rabbit $450.26 Venison (deer) $6,495.00 Cornmeal $2,562.00 Pumpkin $152.60 The total cost of the meal is$12,999.71

Page 18 Decimals in Space! 1. a. 22.95 pounds; b. 120.15

pounds; c. 51.3 pounds 2. a. 31.62 pounds; b. 5.09

pounds; c. 373.86 pounds 3. a. 1.45 pounds; b. 7.82 pounds 4. a. 166.6 pounds; b. 2,665.6

pounds; c. 2,165.8 pounds 5. Answers will vary.

Page 19 Per Cents! 1. 35% 6. 25%2. 55% 7. 23%3. 18% 8. 7% 4. 17% 9. 4%5. 6% 10. 10%

Page 20 Household HelpFrom Decimals 1. 75% 6. 56%2. 33% 7. 52%3. 60% 8. 78% 4. 83% 9. 25% 5. 38%

Page 21 Math Tax! 1. a. $22.50 b. $127.50 2. a. $3,600.00 b. $249.00

c. $2,988.00 d. $612.00 3. a. $350.00 b. $32.00

c. $21.00 4. a. $266.50 b. almost 6

Page 22 Fraction Magic 1. .5 2. .67 3. .4 4. .63 5. .44 6. .7 7. .85 8. .53 9. .89 10. .58

Ranked in order from smallest tolargest: .4 .44 .5 .53 .58 .63 .67.7 .85 .89

Q: What does Mr. Fraction call Mrs. Fraction? A: My better half!

Page 23 The Case of theMissing Angle 1. h 5. a2. g 6. e3. c 7. f4. b 8. d

Answer Key

=1__427__4

=3__851__8

=3__36151___24

=5__2473__12

= 7__1211__2

= 1__421__4

= 5 1__4

=1__213__2

=5__1699__16

=1__897__16

=11__1643__8

= = 53__840__8

Sports Time!

1. 5. 45%

2. 6.

3. 55% 7. 76%

4. 8.

Page 25 CoordinateScavenger Hunt 1. laptop computer 2. (5,1) 3. (3,0) 4. car5. roller blades 6. (0,-3) 7. soccer ball8. (4,-2)

Page 26 Squaring Squares 1. 9 7. 36 2. 16 8. 144 3. 81 9. 169 4. 25 10. 64 5. 121 11. 49 6. 100 12. 225Q: What did one quadrilateral sayto the other? A: Youre so square!

Page 27 Recipe for MathSuccess

1. 4 cups; 6 cups; 8 cups


3. 2 teaspoons; 3

teaspoons; 4 teaspoons

4. 1 teaspoons; 2

teaspoons; 3 teaspoons

5. cup; 1 cups; 1 cups


Page 28 Mixed NumberMix-Up

1.

2.

3.

4.

5.

6.

7.

8.

9. Number 4 10. Number 6

Page 29 Flipping FractionFlapjacks!

1.

2.

3.

4.

5.

6.

7.

8.

Page 30 Pass the Fractions,Please! 1. 7 2. 5 3. 28 4. 8 5. 6 6. 6 There are 5 guests.

Page 31 Year-End Sale!1. $16 $8 2. $16.34 $21.66 3. $10.50 $17.50 4. $1.80 $10.20 5. $4.50 $13.50 6. $6.38 $22.62 7. $19.43 $14.57 8. $1.26 $12.74 9. $9.82 $26.18 10. $7.79 $33.21 11. $2.40 $9.60 12. $1.28 $14.72 13. $8.17 $40.83 14. $4.00 $28.00 15. $25.50 $59.50

Page 32 Recycling Percents 1. 12: 75,000 2. 9: 4 pounds 3. 165: 130 million tons 4. 42: more than 100 years 5. 128: 2.5 million 6. 8: 8 million 7. 442: about 8. 7: 250 million

Page 33 Maths Got ItCovered 1. a = 20 sq. in.; p = 18 in. 2. a = 48 sq. in.; p = 28 in. 3. a = 56 sq. in.; p = 30 in.4. a = 18 sq. in.; p = 22 in.5. a = 30 sq. in.; p = 22 in.6. a = 20 sq. in.; p = 24 in.7. a = 6 sq. in.; p = 10 in.8. a = 15 sq. in.; p = 16 in.9. a = 18 sq. in.; p = 18 in.10. a = 21 sq. in.; p = 20 in.11. a = 33 sq. in.; p = 28 in.12. a = 9 sq. in.; p = 12 in.13. a = 6 sq. in.; p = 10 in.14. a = 12 sq. in.; p = 14 in.15. a = 8 sq. in.; p = 12 in.

Area = 320 sq. in.; perimeter = 72 in.

47

Answer Key

29___100

9__20

6__25

11__20

19__25

2 x 1 3 3__41__8

3__32

5 x 3 21 5__62__3

7__18

1 x 4 5 1__94__5

1__3

12 x 2 29 1__32__5

3__5

8 x 4 40 7__84__7

4__7

10 x 10 104 1__51__5

1__25

7 x 8 60 2__93__7

55__63

3 x 5 19 3__89__11

55__63

x = = 37__84__1

28__8

1__2

x = = 11__35__1

5__3

2__3

x = = 21__48__1

8__4

x = = 57__23__2

21__4

1__4

x = = 54__57__1

28__5

3__5

x = = 216__33__8

48__24

x = = 127__42__7

54__28

13__14

x = = 47__96__1

42__9

2__3

1__3

1__3

2__3

1__3

1__3

1__4

1__4

1__4

3__4

3__4

1__3

1__3

5__8

7__8

1__2

1__2

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48

Page 34 Pyramid PaintJob! 1. triangle = 25 sq. ft.;

pyramid = 100 sq. ft.2. triangle = 48 sq. ft.;







pyramid = 312 sq. ft.

Page 35 Math Goes Roundand Round 1. d = 4 ft.; r = 6 ft.; c = 12 pi;

a = 36 pi 2. d = 3 ft.; r = 1.5 ft.; c = 3 pi;

a = 2.25 pi 3. d = 20 in.; r = 10 in.;

c = 20 pi; a = 100 pi 4. d = 4 in.; r = 2 in.; c = 4 pi;

a = 4 pi 5. d = 2 in.; r = 1 in.; c = 2 pi;

a = 1 pi 6. d = 5 in.; r = 2.5 in.; c = 5 pi;

a = 6.25 pi 7. d = 6 ft.; r = 3 ft.; c = 6 pi;

a = 9 pi

Page 36 Pooch Pools 1. Area of rectangle = 21 sq. ft.

Area of square = 9 sq. ft.Area of triangle = 6 ft.Total area = 36 sq. ft.

2. Area of triangle = 24 sq. ft.Area of rectangle = 32 sq. ftArea of square = 36 sq. ft.Total area = 92 sq. ft.

Page 37 Tornado Time 1. F-2 2. a. 206 mph b. 158 mph 3. a. F-1 b. 112 mph 4. a. When winds reach 50 mph.

b. F-0; c. F-1

5. a. F-0; b. 10 mph; c. 51 mph d. 95 mph from its initial speed of 62

Page 38 Touchdown Math! Game 1: Knights 12; Rockets 14 Winners: Rockets Game 2: Eagles 15; Stars 21 Winners: Stars Game 3: Sharks 23; Tanks 24 Winners: Tanks Game 4: Bears 29; Kings 38 Winners: Kings Game 5: Mustangs 28; Lions 27 Winners: Mustangs

Page 39 First-Rate Math Luis the Lapper = .042 miles persecond Speedy Sam = .094 miles per second Cruisin' Carol = .08 miles per second Debbie Dragster = .05 miles persecond

First Place: Luis Second Place: Debbie Third Place: Carol Fourth Place: Sam

Page 40 Bugging Out With Scale 1. 150 inches 2. 372.45 inches 3. a. 249.6 inches

b. 268.8 inches 4. 375 inches 5. a. 625 inches b. 750 inches 6. a. 2.2 inches b. 3.7 inches

Page 41 Soda PopProportions 1. 46.25 ounces 2. 46.2 ounces 3. 79.5 ounces 4. 15.75 ounces 5. 124.8 ounces 6. 83.3 ounces 7. 348.4 ounces 8. 206.4 ounces

Page 42 Metric Madness 1. 90 meters2. a. yes; b. 7 miles per hour

faster than the limit; c. 11.2 3. a. Drake; b. about 5.5 inches;

c. about 14 centimeters 4. a. gain; b. He weighs about 9.8

pounds more. c. He weighs about 4.5 kilograms more.

5. 9 kilograms for $20(Explain that some answers mayvary slightly due to rounding.)

Page 43 Putting it AllTogether: Word Problems

1. a. b. 86%

2. 25%

3. a. 6 cups; b. 8

cups; c. 10 cups

4. a. 35 cents a can; b. 5 cents

per can

5. a. 750 square feet;

b. 50 gallons

6. a. ; b. 37.5%; c. 12.5%;

d. $306.25

Page 44 The Last Word 1. a. 600 feet; b. 1.44 inches 2. a. 17%; b. 136.36 kilograms;

c. 159.1 kilograms 3. a. 21 b. about 880 4. a. 64 mph; b. 58 mph;

c. 61 miles; d. 61 mph 5. a. 9 hours, 15 minutes;

b. 3 hours, 30 minutes, 54 seconds

Answer Key

1__7

7__8

15__16

21__32

3__8

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