tcm 3731 book -...

5

Practice 2Directions: Read each problem. Determine the operation needed to solve it and write this solution inthe space provided.

1. In his career, Henry Aaron collected 6,856 total stolen bases, Stan Musial collected 6,134 totalbases, and Willie Mays had 6,066 total bases. How many bases did they have altogether?

Operation: _________________ Solution: _________________

2. In his career, Pete Rose had 14,053 at bats. Henry Aaron had 12,364 at bats. How many more atbats did Pete Rose have?


3. Henry Aaron hit 755 career home runs. Babe Ruth hit 714 career home runs. Willie Mays hit 660career home runs. How many home runs did they hit in all?


4. Pete Rose collected 4,256 career hits in 24 years as a major league player. About how many hitsdid he average per year?


5. Bank One Ballpark in Arizona can seat 48,500 people for a game. How many tickets could theysell for 81 games?


6. Nolan Ryan rang up 5,714 lifetime strikeouts against the batters he faced. Steve Carlton had4,136 lifetime strikeouts. How many more strikeouts did Nolan Ryan have?


7. Dodger Stadium in Los Angeles will seat 56,000 fans. How many groups of 20 fans could they fitinto Dodger Stadium?


8. Babe Ruth had 2,062 career walks. Mickey Mantle collected 1,733 walks. How many fewerwalks did Mantle have?


9. Ty Cobb had 4,189 hits in a 24 year career. Approximately what was his average number of hitsper year?


10. The St. Louis Cardinals have won 9 World Series in the 15 World Series years they have played.What is their winning percentage?


Using Code Words/Mixed Operations

6

Practice 3Directions: Read each problem. Determine the operation needed to solve it and write this solution inthe space provided.

1. Dodger Stadium will hold 56,000 fans. Staples Center seats 18,964 Lakers’ fans. How manymore people can attend a Dodger game?


2. The Alamodome in San Antonio has a normal capacity of 20,557 Spurs’ fans, but it can seat35,000 for special events. How many more people can it seat for special events?Operation: _________________ Solution: _________________

3. Lambeau Field in Green Bay, Wisconsin seats 60,890 Packers’ fans. The Georgia Dome inAtlanta seats 71,228 Falcons’ fans. How many fans can be seated altogether in the two parks?


4. The Arrowhead Pond in Anaheim will accommodate 17,174 Mighty Ducks’ fans. Staples Centerwill hold 18,118 L. A. Kings’ fans. How many can be held altogether in the two arenas?


5. The United Center in Chicago will hold 21,500 Bulls’ fans. How many 25-seat ticket packagescould be sold for one game?


6. Comerica Park in Detroit will hold 40,000 Tigers’ fans. If tickets to one game were sold in20-seat packages, how many of these packages could be sold?


7. Fenway Park in Boston will hold 33,871 Red Sox fans. Veterans Stadium in Philadelphia willhold 62,409 Phillies’ fans. How many more fans can attend a game in Philadelphia?


8. The Rams can fit 66,000 fans in their St. Louis Stadium. If all tickets were sold in packages of 8,how many ticket packages could be sold for one game?


9. The Miami Dolphins can fit 75,192 fans in their stadium. How many different fans could attendall 8 regular season games?


10. Edison Field in Anaheim will hold 45,050 fans. How many tickets could they sell for their 81regular season games?


Using Code Words/Mixed Operations

41 .

• • • • • • • • • • • • • • • • • • • • Brain Builders10 Word Problems

Directions: Solve the word problems.

1. James Hart Junior High is having a bake sale. Mrs. Nichols brought 3 pies and cut them intoeighths. How many pieces of pie did she have to sell? _____________

2. Dave worked over July 4th on his deck. He cut a board 1 1–4

yards long into 5 equal pieces. Howmany yards long was each piece? _____________

3. The Park Forest Running and Pancake Club jogged 18 miles in 4 1–2

hours. How many miles didthey jog per hour? _____________

4. Lupe bicycles to work. She bicycled a total of 3 3–8

miles to work in 9 days. How many miles didshe bicycle in 3 days? _____________

5. Tiffany works in a candy shop. She made 5–8

feet of taffy. She needs to cut it into 1–4

foot pieces.

How many pieces will she get? _____________

6. On his summer diet, Gilbert lost 5 2–3

pounds. His doctor’s chart showed he lost 1 8–9

pounds per

week. How many weeks did it take him to lose the 5 2–3

pounds? _____________

7. If a small glass of tomato juice weighs 3 3–4

ounces, how many ounces will 20 glasses weigh?_____________

8. Mindy was 62 1–2

inches tall last fall. She grew 3 3–4

inches since then. How many inches tall is she

now? _____________

9. You have $237.65 in the bank and your grandmother gives you $50 for your birthday. How muchmoney do you have now? _____________

10. If diesel fuel costs $1.238 a gallon, find the cost of 17.6 gallons. (Round to the nearest cent.)_____________

11. Manuel bought a used jeep for $5,484.48. He has to pay for it in 48 equal monthly payments.How much will each payment be? _____________

12. Bob’s gross pay for bagging groceries at Rudy’s Supermarket is $92.31 a week. His deductionsare federal income tax: $8.82; state income tax: $0.55; social security: $1.41; and healthinsurance, $0.37. What is Bob’s net pay on Friday night? _____________

42

• • • • • • • • • • • • • • • • • • • • Brain Builders10 Word Problems

13. Mrs. Anderson’s Girl Scout troop has $600 in savings. The girls collected 50% of the money byrecycling aluminum cans, 15% of the money came from donations and 35% of it came from theirannual auction. How much money was raised by recycling cans? _______ donations? _______ by having an auction? _______

14. Your purchases total $24.95. If the sales tax rate is 6%, what is the total amount that you mustpay? (round up to the nearest penny) _______

15. On Monday, 100 students arrived on two buses. On Tuesday, many students had the flu, and only75% of Monday’s group arrived at school. How many students had the flu? _______

16. Two hundred and fifty people are expected to turn out for the 4th of July picnic. Sixty percent ofthem will be children. How many children are expected to attend? _______

17. Four hundred new homes are being built in the town of Frankfort, and only 5% have swimmingpools. How many have swimming pools? _______

18. Marco had 300 trading cards. His friend, Juan, told Marco he will give him 75% more. Howmany cards is Juan going to give to Marco? _______

19. Johnson’s Drugs has penny candy. Ian purchased $0.65 of taffy and $0.20 for root beer barrels.There is a $0.02 sales tax. How much does he pay? _______

20. A round-trip subway train ticket costs $0.55. A 20-trip pass costs $9.50. If you took 20 trips,how much did you save by buying the pass? _______

21. On a cell phone, there is a charge of $0.03 per minute. How many minutes can you talk for$0.78? _______

22. A big shipment of computer parts arrived at Don’s Computer World. It weighed 360 pounds.Inside the shipment, each box weighed 1.25 pounds. How many boxes were in the shipment?_______

23. At $0.17 per pound, how many pounds of gumdrops can you buy for $1.02? _______

24. Eli painted 1—16

of the living room wall and stopped when the phone rang. What percent of the

wall did he paint? _______

43 .

• • • • • • • • • • • • • • • • • Brain Challengers11 BrainTeasers

Directions: Do these brain teasers in small groups or pairs. Use paper and pencil to draw out yourideas or make your calculations.

1. Mike started a new job in March. Which would be better: an annual pay raise of $2,000 or a raiseof $500 every six months? _____

2. If a piece of paper is 0.0001 inch thick, how tall of a pile would it make if the number of paperswere doubled 50 times? _____

3. Mr. Burton went to the hardware store. “How much are these?” he asked the clerk. “$0.25 each,”came the reply. “OK, I’ll take 100,” Mr. Burton said. He paid only $0.75. What did he buy?_____

4. “Summertime Fun Juice” comes in a returnable bottle for $1.60. The juice costs $1.20 more thanthe bottle. You can return the empty bottle for a refund. How much should you receive? _____

5. In Justin, Minnesota, 90% of the people drink coffee and 80% drink tea. Also, 70% drink applejuice and 60% drink orange juice. None of the people drink all four beverages, but they all drinkthree of the four. What percent of them drink juice? _____

6. Little Bobby Jenks compared candy bars. Choco-Chunk was 50% more expensive than GoodieTwo-Shoes and contained 20% less weight than Nuts to U. However, Nuts to U was 50% heavierthan Goodie Two-Shoes and cost 25% more than Choco-Chunk. Which is the best buy? _____

7. Ajax car rental charges $35.00 per day and $0.45 per mile to rent their cars. How many miles canyou drive and still keep the cost under $125.00 per day? _____

8. At Dorothy’s Drapes, a saleswoman is paid a salary of $300.00 plus a 40% sales commission.How much does she have to sell to make $2,000.00? _____

9. Hometown wants to hold a fundraiser for a new auditorium. A band called the Rave-Ups, offersto give one concert for $10,000 and 20% of the ticket receipts. About 10,000 teenagers willattend. What admission price will Hometown have to charge just to break even? _____ Whatadmission price would Hometown have to charge to earn a profit of $25,000? _____

Summer Camp Save-Up10. Hal wants to attend camp in Troy, Wisconsin. He needs to have $350.00 to pay his way for two

weeks. He has started mowing lawns and saving money. Fill in each blank.

a. The first week he saved 4% of his goal: _____________________

b. The second week he saved 12% of his goal: _____________________

c. The third week he saved 15% of his goal: _____________________

d. The fourth week he saved 25% of his goal: _____________________

e. The fifth week he saved 14% of his goal: _____________________

f. The sixth week he saved 30% of his goal: _____________________

Was Hal able to pay his way to summer camp? _____________________

12

Practice 9

Remember: All answers involving money must have a dollar sign and a decimal point.

1. Your best friend bought a regular sundae and a quadruple scoop. How much money did he spend?_________________

2. You bought a double scoop and your coach bought a quadruple scoop. How much more did thecoach spend? _________________

3. Your teacher bought 32 triple scoops for her fellow teachers. How much money did she spend?_________________

4. The soccer coach bought 11 super sundaes for the team. How much money did it cost the coach?_________________

5. A group of 9 teenagers had a bill for $49.59 at Forty-one Flavors. They decided to split the costevenly. How much did it cost each person? _________________

6. A team of 12 basketball players had a bill of $60.48 at Forty-one Flavors. They decided to splitthe cost evenly. How much did each player spend? _________________

7. Your mother bought 13 quadruple scoops for a birthday party. How much was her bill?_________________

8. How much less does it cost to buy a single scoop than a quadruple scoop? _________________

9. What is the total cost of a single scoop, a triple scoop, a super sundae, and a cola float?_________________

10. How much would it cost to buy one of everything on the menu? _________________

11. What is the total cost of 3 quadruple scoops and 4 cola floats? _________________

12. What is the total cost of 5 single scoops, 3 double scoops, and 2 regular sundaes?_________________

Money

Directions: Forty-one Flavors is a very popular new ice-cream parlor. Here is their menu. Help themcompute their sales.

Single Scoop $1.29

Double Scoop $1.69

Triple Scoop $1.99

Quadruple Scoop $2.25

Regular Sundae $2.79

Large Sundae $3.29

Super Sundae $3.95

Cola Float $2.90

40

Test Practice 1

1. Dodger Stadium seats 56,000 fans. WrigleyField seats 38,902 fans. How many morefans can be seated in Dodger Stadium?

A 17,998

B 18,098

C 17,098

D 94,902

2. Kristin had 59 marbles. The school marblechampion had 34 times as many marbles.How many marbles did the champion have?

A 2,106

B 3,006

C 2,206

D 2,006

3. Reggie Jackson had 563 career home runs.Frank Robinson had 586 career home runsand Willie Mays had 660 career home runs.How many home runs did they have in all?

A 1,810

B 1,809

C 1,909

D 2,809

4. At Forty-one Flavors it costs $1.99 for atriple scoop of ice cream and $2.79 for aregular sundae. What is the total?

A $4.78

B $4.79

C $3.78

D $0.80

5. Every minute your bone marrow produces3,000,000 red blood cells. How many redblood cells are made in 1 hour (60 minutes)?

A 180,000,000

B 18,000,000

C 240,000,000

D 1,800,000

6. You breathe about 23 times a minute. Howmany times would you breathe in 60minutes?

A 1,390

B 1,480

C 1,380

D 2,380

7. Los Angeles has 3,694,820 people. NewYork City has 8,008,278 people. How manymore people live in New York City?

A 5,313,458

B 4,313,458

C 4,323,468

D 11,703,108

8. Danny won a bag of 800 candies. He splitthem evenly among his 25 classmates. Howmany candies did each classmate receive?

A 30

B 33

C 25

D 32

9. An arena can seat 3,000 fans. All of theseats are sold in packages of 15 tickets.How many packages can be sold?

A 2,000

B 200

C 45,000

D 220

10. One arena holds 2,314 fans and anotherholds 4,567. How many fans can they seataltogether?

A 6,981

B 7,881

C 2,253

D 6,881

Directions: Fill in the circle for the correct answer to each word problem.

41

Test Practice 2

1. Sarah bought 1/4 feet of licorice and Jennybought 3/8 feet of licorice. How muchlicorice did they buy in all?

A 4/8 feet

B 5/8 feet

C 4/12 feet

D 1/8 feet

2. A Ground Skink is 5 1–2inches long. A

Western Skink is 8 11—12inches long. How

much longer is the Western Skink?

A 12 5—12inches

B 4 5—12inches

C 3 9—10inches

D 3 5—12inches

3. Each student in a science class received 3/4 ounces of water. How much water wasneeded for 28 students?

A 22 ounces

B 84 ounces

C 21 ounces

D 38 ounces

4. A Gray Wolf is 80 5–8inches long. A Red

Fox is 40 1–4inches long. How much longer

is the Gray Wolf?

A 40 3–8inches

B 120 7–8inches

C 40 5–8inches

D 40 7–8inches

5. Patti has a footprint which is 5 1–2inches

long. How long a line would 24 of herfootprints make?

A 144 inches C 29 1–2inches

B 264 inches D 132 inches

6. A line of shoeprints was 42 inches long.Each shoeprint was 3 1–

2inches long. How

many shoeprints were in the line?

A 12

B 14

C 45 1–2

D 147

7. Victoria’s roller racer traveled 8 2–3feet in

one trial and 9 2–5feet in a second trial. How

far did it travel in all?

A 17 4—15feet

B 18 14—15feet

C 18 1—15feet

D 1 4—15feet

8. One bag of Geodesic Gumballs holds 1 1–3lbs. How many pounds are in

30 bags of gumballs?

A 40 lbs.

B 10 lbs.

C 30 lbs.

D 31 1–3lbs.

9. A teacher needed to cut a 24-foot rope intopieces which were 3/4 feet long. How manypieces could the teacher cut?

A 42

B 32

C 18

D 31

10. A teacher had a roll of art paper 11—12feet long

to cut evenly for 22 students. How long waseach piece?A 1/6 feet

B 1/3 feet

C 1/24 feet

D 20 1–6eet


42

Test Practice 3

1. A Fire Beetle is 2.5 centimeters long. ABlue Bottle Fly is 1.3 centimeters long.How much longer is the Fire Beetle?

A 1.2 centimeters

B 2.2 centimeters

C 3.8 centimeters

D 1.3 centimeters

2. An Eastern Diamondback Rattlesnake is243.88 centimeters long. A second one is91.4 centimeters long. What is theircombined length?

A 334.29 centimeters

B 335.28 centimeters

C 235.28 centimeters

D 152.48 centimeters

3. A box of Grasshopper Candy Kisses weighs12.35 ounces How much do 12 boxesweigh?

A 147.28 ounces

B 128.2 ounces

C 148.2 ounces

D 144.35 ounces

4. The school football team won 9 of the 12games it played. What was its winningpercentage?

A .800

B .750

C 1.330

D .250

5. A sports car traveled 14.248 miles on agallon of gas. An SUV traveled 11.03 mileson one gallon. How much farther did thesports car go?

A 32.18 miles

B 25.278 miles

C 0.3218 miles

D 3.218 miles

6. You took a 288-mile bicycle tour in 40hours. How many miles per hour did youtravel?

A 72 m.p.h.

B 7.2 m.p.h.

C 0.72 m.p.h.

D 720 m.p.h.

7. Your friend rode his skateboard 90.45 feet inone minute. How many feet can he ride in40 minutes?

A 36.18 feet

B 361.8 feet

C 3.618 feet

D 3,618 feet

8. A box of 25 Beetle Bites costs $9.50. Whatis the cost of each Beetle Bite?

A $9.75

B $0.25

C $0.38

D $0.48

9. Each Sweet ’n Sour Drop costs $0.05. Howmany drops are in a bag costing $3.50?

A 70

B 75

C 80

D 90

10. A common Iguana is 200 centimeters long.A Western Fence Lizard is 23.49 centimeterslong. How much longer is the Iguana?

A 175.5 centimeters

B 17.651 centimeters

C 77.49 centimeters

D 176.51 centimeters


43

Test Practice 4

1. A swimming pool is 21 meters wide and 50 meters long. What is the area?

A 1,150 m2

B 1,005 m2

C 1,050 m2

D 2,050 m2

2. What is the perimeter of a square kite 20 inches long on each side?

A 400 inches

B 40 inches

C 80 inches

D 200 inches

3. What is the circumference of a circle with aradius of 4 centimeters? (Use 3.14 for π.)A 2.512 centimeters

B 25.12 centimeters

C 12.56 centimeters

D 7.14 centimeters

4. Mr. Brown’s lawn is shaped like aparallelogram with a height of 12.8 yardsand a base of 20 yards. What is the area?

A 286 yd.2

B 360 yd.2

C 32.8 yd.2

D 256 yd.2

5. Carissa’s front lawn is shaped like a trianglewith a base of 30 feet and a height of 15 feet. What is the area?

A 450 feet2

B 45 feet2

C 250 feet2

D 225 feet2

6. Matthew made a model circular parachutewith a radius of 5 inches. What is the area?(Use 3.14 for π. )A 7.85 inches2

B 78.5 inches2

C 31.4 inches2

D .785 inches2

7. A circular flower planter has a diameter of40 inches. What is the circumference? (Use3.14 for π.)A 125.6 inches

B 12.56 inches

C 1.256 inches

D 1256 inches

8. What is the volume of a room which is 10 feet high, 9 feet long, and 8 feet wide?

A 7,200 feet3

B 72 feet3

C 90 feet3

D 720 feet3

9. How many one-inch cubes can fit into a boxwhich is 12 feet high, 4 feet wide, and 6 feetlong?

A 298

B 288

C 36

D 388

10. A bicycle wheel has a 13 inches radius.What is the circumference? (Use 3.14 for π.)A 82.64 inches

B 8.164 inches

C 81.64 inches

D 91.64 inches


44

Test Practice 5

1. A black bag holds 7 red marbles and 4 bluemarbles. What is the probability of drawinga blue marble?

A 4 in 7

B 7 in 11

C 4 in 11

D 0

2. Solve the equation. What number plus 17equals 45?

A n = 62

B n = 45

C n = 28

D n = 18

3. In a school survey 3/4 of the students likedhot dogs and 2/3 of the students liked icecream. What is the probability that a studentliked both hot dogs and ice cream?

A 1/2

B 5/7

C 1/4

D 5/12

4. Solve the equation. What number divided by5 equals 12?

A 2 1/2

B 60

C 10

D 80

5. A sporting goods store has 8 basketballs and7 baseballs. What is the ratio of baseballs tobasketballs?

A 7:15

B 8:7

C 15:8

D 7:8

6. In a model house 3 centimeters represents 10 feet. How many feet are represented by12 centimeters?

A 40 feet

B 60 feet

C 120 feet

D 22 feet

7. Solve the equation. What number dividedby 4 equals 13?

A n = 17

B n = 48

C n = 52

D n = 26

8. In one school 1/10 of the students belongedto the Spanish Club and 2/7 participated inintramural games. What is the probabilitythat a student participated in both theSpanish Club and intramural games?

A 2/10

B 1/35

C 2/35

D 3/17

9. Solve the equation. What number dividedinto 144 equals 16?

A 12

B 18

C 14

D 9

10. If 1 in 10 students are left-handed, howmany students in a class of 30 would be left-handed?

A 4

B 10

C 3

D 1


45

Test Practice 6

1. Texas Stadium holds 65,675 Cowboys’ fans.Giants’ Stadium holds 79,466 fans. Howmany more Giants’ fans can be seated?

A 14,791

B 145,141

C 13,791

D 13,991

2. Jane bought 2 1–3lbs. of gumballs and

1 3–4lb. of hard candy. How many pounds of

candy did she buy altogether?

A 4 1—12 lbs.

B 3 11—12 lbs.

C 4 11—12 lbs.

D 3 4–7 lbs.

3. Tara can read 2 pages in 3 minutes. Howmany pages can she read in 60 minutes?

A 50

B 40

C 60

D 20

4. A leafhopper is 3/8 inches long. How longwould a line of 24 leafhoppers stretch?

A 12 inches

B 10 inches

C 24 3–8 inches

D 9 inches

5. What is the sum of ¯19 and ¯37?

A ¯66

B ¯56

C ¯18

D +18

6. A lawn is shaped like a triangle with aheight of 14 feet and a base of 32 feet. Whatis the area of the lawn?

A 234 feet2

B 448 feet2

C 224 feet2

D 46 feet2

7. A box is 7 inches long, 5 inches wide, and10 inches high. What is the volume of thebox?

A 350 inches3

B 22 inches3

C 35 inches3

D 360 inches3

8. Determine the mode in this set: (9, 4, 6, 9, 3, 7, 9, 6).

A 6

B 9

C 6.5

D 7

9. James attempted 12 shots and made 9 shots.What was his shooting percentage?

A 25%

B 75%

C 133%

D 100%

10. Tony drove 400 miles from Los Angeles toSan Francisco in 8 hours. What was his rateof speed?

A 408 m.p.h.

B 60 m.p.h.

C 40.5 m.p.h.

D 50 m.p.h.


4

The students at Garfield School are participating in a marble marathon. There are all kinds of contestsand games. Help the students keep track of their marbles.

1. George has a bag with 31 marbles at school but he has 9 times as many marbles at home. Howmany marbles does he have at home? _________________

2. Marissa has 49 marbles and her friend, Alice, has 97 marbles. How many marbles do they havealtogether? _________________

3. Ashley has 327 marbles in her collection. Amber has 139 marbles. How many more marblesdoes Ashley have? _________________

4. Timothy had 111 marbles. He lost 56 marbles. How many marbles does he have left?_________________

5. Laura has 47 marbles. The students in Room 15’s fifth grade classroom have 28 times as manymarbles as Laura. How many marbles do the students in Room 15 have? _________________

6. The 30 students in Room 19 pooled all of their marbles in one giant basket. They had 1,110marbles in the basket. What was the average number of marbles each child contributed?_________________

7. A group of 11 boys won a contest with 1,056 marbles as the prize. They split the marbles evenlyamong themselves. How many marbles did each boy receive? _________________

8. Elaine had 129 marbles on Monday. On Friday she had 351 marbles. How many more marblesdid she gain during the week? _________________

9. Chad had 512 marbles in his collection. He gave 267 marbles to his best friend. How manymarbles did Chad have left? _________________

10. Joseph owned 79 marbles. He won a marble shooting contest which had a prize of 389 marbles.How many marbles does Joseph have now? _________________

11. Mrs. Shaw’s 6th grade class won 2,000 marbles as a reward for their reading. They decided tosplit the marbles evenly among all 28 students. How many marbles did each student receive?_________________. How many marbles were left over? _________________

12. A barrel of 2,000 marbles had 569 red marbles and 987 blue marbles. The rest of the marbleswere yellow. How many yellow marbles were there? _________________

Simple Problems with Whole Numbers

47

Page 41. 279 marbles2. 146 marbles3. 188 marbles4. 55 marbles5. 1,316 marbles6. 37 marbles7. 96 marbles8. 222 marbles9. 245 marbles10. 468 marbles11. 71 marbles

12 marbles12. 444 marbles

Page 51. addition19,056 bases

2. subtraction1,689 at bats

3. addition2,129 home runs

4. division177 hits

5. multiplication3,928,500 tickets

6. subtraction1,578 strike outs

7. division2,800 groups

8. subtraction329 walks

9. division175 hits (174 R13)

10. division.600 or 60%

Page 61. subtraction37,036 people

2. subtraction14,443 people

3. addition132,118 fans

4. addition35,292 fans

5. division860 packages

6. division2,000 packages

7. subtraction28,538 fans

8. division8,250 packages

9. multiplication601,536 fans

10. multiplication3,649,050 tickets

Page 71. 7/12 lb.2. 1 5/12 lb.3. 1/8 lb.4. 1/12 lb.5. 5 lb.6. 1/4 feet7. 1 7/10 lb.8. 11/24 feet9. 6 cups10. 1 19/30 lb.

Page 81. 15 ounces2. 24 3/4 ounces3. 21/40 ounces4. 25 students5. 14 students6. 1/12 ounces7. 1 7/10 ounces8. 27 1/5 ounces9. 9 3/8 ounces10. 8 3/4 lb.11. 1 1/2 ounces12. 28 cups

Page 91. 10 3/8 inches2. 32 3/4 inches3. 7/8 inches4. 51 5/8 inches5. 83 7/8 inches6. 3 1/4 lb.7. 20 1/4 lb.8. 24 1/6 inches9. 14 1/8 ounces10. 20 3/8 inches

Page 101. 76 inches2. 52 1/5 inches3. 10 prints4. 8 prints5. 150 inches6. 355 inches7. 23 1/3 inches8. 7 prints9. 451 inches10. 8 prints

Page 111. 2 1/4 feet2. 9 5/6 feet3. 17 3/4 feet4. 3 1/8 feet5. 2 1/3 feet6. 6 2/5 times7. 12 lengths8. 6 1/12 feet9. 5 1/2 feet10. 14 7/12 feet

Page 121. $5.042. $0.563. $63.684. $43.455. $5.516. $5.047. $29.258. $0.969. $10.1310. $20.1511. $18.3512. $17.10

Page 131. 7.9 centimeters2. 87.6 centimeters3. 30.25 centimeters4. 220.89 centimeters5. 204.26 centimeters6. 347.863 centimeters7. 24.99 centimeters8. 1.201 centimeters9. 56.899 centimeters10. 59.663 centimeters11. 26.989 centimeters12. 181.91 centimeters

1. 0.21 lb.2. 100.2 ounces3. 1.09 ounces4. 10.2 candies5. 45.1 lb.6. 80.5 ants7. 969.624 ounces8. $0.239. $0.3810. 157.68 lb.

Page 151. 75% 6. 80%2. 72% 7. 64%3. 75% 8. 67%4. 60% 9. 70%5. 75% 10. 82%

Page 161. $34.002. $4.003. $1.324. $9.525. $7.006. $2.487. $22.808. $4.009. $18.00$42.00

10. $5.24$29.71

Page 171. 467.476 mi.2. 2,246.8 mi.3. 32.422 feet4. 94.14 mi.5. 15.23 mi.6. 44.636 mi.7. 177.813 m.p.h.8. 3,030.957 lb.9. 91.05 mi.10. 880.431 mi.

Page 181. 60 m.p.h.2. 50 m.p.h.3. 30 m.p.h.4. 60 m.p.h.5. 50 m.p.h.6. 55 m.p.h.7. 52 m.p.h.8. 40 m.p.h.9. 40 m.p.h.10. 80 m.p.h.

Page 191. 3,200 feet2. 40 min.3. 10,000 feet4. 7,128 feet5. 396 min.6. 7,740 feet7. 24,000 feet8. 503 min.9. 410 min.10. 30,400 feet

Page 201. $12. $13. $114. 75. $216. 27. -$68. -249. 1710. -7211. -3212. $226

Page 211. -$122. -$203. +424. -$75. -96. +107. $2708. +1569. 64

10. +511. -$512. +20

Page 221. polar bear2. leopard/cameldog/cat

3. 2 yr.4. pig5. 9 yr.6. 15 yr..7. 1 yr.8. 9 yr.9. 55 yr.10. 70 yr.

Page 231. 30%2. 5th/8th3. 60%4. no5. 45%6. 40%

Page 241. 19602. 1990–20003. 19604. 1950–19605. 1990–20006. 1970–19807. 1960–19708. the same9. 10/1110. 12/1311. 1612. 7/8/913. taller14. 14

Page 251. 12 Frequency2. 1 Cat 83. 4 Dog 124. 2 Snake 25. 2 Bird 36. 12 Mouse 37. 18 Hamster 48. 1 Fish 69. 4 Other 310. dog11. snake12. 513. 4114. 27

Page 261. 10 m.p.h.2. the scale starts at 20rather than 0

Answer Key

48

3. no4. 5 m.p.h.5. 20 m.p.h.6. the scale doesn’tgo 0 to 70

7. start at 0/use adifferent scale

8. 19959. 199810. 10 thousand dollars11. the scale is

distorted, starts at 40

12. 25 thousanddollars

13. scale starts at 40thousand dollars

14. starts at 0 and goto 70

Page 271. 920 feet48,000 feet2

2. 288 feet4,700 feet2

3. 360 feet8,100 feet2

4. 600 feet20,000 feet2

5. 320 yd.6,000 yd.2

6. 260 feet4,225 feet2

7. 346 m7,300 m2

8. 350 yd.7,150 yd.2

Page 281. 240 feet2

2. 450 feet2.3. 1,035 feet2

4. 240 feet2

5. 4,171 feet2

6. 1,155 feet2

7. 672 feet2

8. 87.5 feet2

9. 99.6 feet2

10. 484 feet2

Page 291. C = πdC = 3.14 x 928.26 centimeters

2. C = πdC = 3.14 x 2372.22 centimeters

3. C = 2πrC = 2 x 3.14 x 212.56 centimeters

4. C = πdC = 3.14 x 26.28 centimeters

5. C = πdC = 3.14 x 2.68.164 centimeters

6. C = 2πrC = 2 x 3.14 x 1275.36 inches

7. C = 2πrC = 2 x 3.14 x 212.56 inches

8. C = 2πrC = 2 x 3.14 x 318.84 centimeters

Page 301. A = πr2A = 3 x 3 x 3.14 28.26 cm2

2. A = πr2A = 3.14 x 8 x 8 200.96 inches2

3. A = πr2A = 3.14 x 6 x 6 113.04 cm2

4. A = πr2A = 3.14 x 7 x 7 153.86millimeters2

5. A = πr2A = 3.14 x 9 x 9 254.34millimeters2

6. A = πr2A = 3.14 x 2 x 2 12.56 feet2

7. A = πr2A = 3.14 x 4 x 4 50.24 feet2

8. A = πr2A = 3.14 x 4.5 x4.5 63.585 cm2

9. A = πr2A = 3.14 x 3.5 x3.538.465 cm2

10. A = πr2A = 3.14 x 1.15 x1.15 4.15265 cm2

Page 311. 216 inches3

2. 27 cm3

3. 729 inches3

4. 8 inches3

5. 125 inches3

6. 900 cubic puzzles7. 192 cubicmagnifying glasses

8. 1,000 cm3 blocks9. 120 games10. 1,728 cubic puzzles

Page 331. library2. town hall3. gas station4. (-11, 1)5. (4, -4)6. (-5, -9)7. park8. (-10, -7)9. (-9, 5)10. general store11. drug store12. III13. I14. II

Page 341. 3/10 6. 3/402. 4/15 7. 2/33. 9/50 8. 8/454. 11/16 9. 2/55. 1/2 10. 1/27

Page 351. n = 35 – 12

n = 232. 23 + n = 41

n = 183. n – 29 = 61

n = 904. 36 + n = 53

n = 175. 19 + n = 43

n = 246. n/4 = 12

n = 487. n x 12 = 96

n = 88. n/8 = 11

n = 889. n x 19 = 190

n = 1010. 42/n = 6

n = 7

Page 361. 5:4 or 5/42. 4:5 or 4/53. 2:5 or 2/54. 5:2 or 5/25. 3:5 or 3/56. 5:3 or 5/37. 4:3 or 4/3

8. 3:4 or 3/49. 2:3 or 2/310. 3:2 or 3/211. 7:5 or 7/512. 5:7 or 5/713. 3:7 or 3/714. 7:3 or 7/315. 12:2 or 12/2 or 6:1

or 6/116. 2:12 or 2/12 or 1:6

or 1/617. 3:7 or 3/718. 7:3 or 7/3

Page 371. 1:4 :: 20:n

n = 80 feet2. 1:2 :: 25:n

n = 50 feet3. 3:15 :: 9:n

n = 45 m4. 4:1 :: 100:n

n = 25 stories 5. 3:10 :: 33:n

n = 110 yd.6. 3:10 :: 15:n

n = 50 m7. 5:3 :: n:30

n = 50 inches8. 7:2 :: 42:n or 2:7 :: n:42n = 12 inches

Page 381. 528959 (58.67)

2. 9111183 (82.8)

3. 1,1601389 (89.2)

4. 1381014 (13.8)

5. 63125 (5.25)

6. 1751313 (13.46)

7. 109167 (6.8)

Page 391. (46, 47, 48, 49, 50,52, 52, 52, 53, 54,

56)5252

2. (47, 49, 55, 56, 57,58, 59, 59, 59, 60,60, 61, 63)5959

3. (57, 59, 59, 60, 61,61, 63, 63, 65, 66)59, 61, 6361

4. (47, 49, 49, 49, 51,52, 53, 54, 55, 57,59)4952

5. (39, 40, 44, 44, 45,48, 50, 55, 57, 57,58, 60, 60, 61)44, 57, 6052.5

Page 401. C 6. C2. D 7. B3. B 8. D4. A 9. B5. A 10. D

Page 411. B 6. A2. D 7. C3. C 8. A4. A 9. B5. D 10. C

Page 421. A 6. B2. B 7. D3. C 8. C4. B 9. A5. D 10. D

Page 431. C 6. B2. C 7. A3. B 8. D4. D 9. B5. D 10. C

Page 441. C 6. A2. C 7. C3. A 8. B4. B 9. D5. D 10. C

Page 451. C 6. C2. A 7. A3. B 8. B

Answer Key (cont.)

48

• • • • • • • • • • • • • • • • • • • • • • Answer Key

20. 0.15; 0.51; 5.01;50.1

21. 422. 2723. 2124. 5.625. 0.226. 7.627. 18.728. 304.8129. 1.0630. 27.3931. 356.1432. $13.0233. $163.7634. 4,567.83

Page 271. 2.72. .143. 4.3384. 1825.25. 41216. 67. 150.98. 10.6259. 1.628

10. 31.8811. .05612. .0070213. .08414. 599.10415. 161.50516. 2.1640817. 56.08818. 48.70819. 7.61620. .1844621. 1.822. 5323. 14524. .09125. 112.3426. .92227. 524.7528. 893,15529. 0.2330. 1679.45

Page 281. $93.962. $4.473. $105.304. $69.935. $53.386. $420.52

7. $585.398. $256.509. 2.646

10. 1.87211. 2.662812. 0.0022813. $6.3014. 4.7815. 137.7416. $1.3817. $8.3718. .1218

Page 321. 52. 0.1393. 10.804. 6255. 0.0136. 0.047. 0.038. 7509. 175

10. $81.2511. 5.712. .04313. 4.914. 8015. 5016. 7/2017. 8/12518. 3 2/519. 3 1/820. 18 1/321. 4 5/822. 21/250023. 66 3/424. 159/50025. 1/1626. 4 1/427. 1 1/1028. .829. .37 1/2 or .37530. .66 2/331. .77 7/932. .83 1/333. .62 1/2 or .62534. .33 1/335. .7

Page 361. 7%2. 75%3. 3.5%4. 33 1/3%

5. 90%6. 150%7. .4%8. 65%9. 10%

10. 66 2/3%11. .0912. .3513. .04814. .22 2/915. .616. 1.2517. .00318. .9519. .220. .33 1/321. 3/422. 2/523. 1/2024. 4/525. 3/5026. 9/10027. 2/2528. 1/529. 7/2030. 43/5031. 37.5%32. 33 1/3%33. 40%34. 87.5%35. 66 2/3%36. 20%37. 50%38. 12.5%39. 5%40. 25%41. 5%42. 600%43. 20%44. 16 2/3%45. 25%46. 8047. 9048. 63.649. 13050. 85.71

Page 391. $45.002. $45.423. $10.004. $30.005. $135.006. $73.75

7. $19.908. $9.129. $298

10. $54.08Page 40

1. $42.292. $1963. $16.204. $0.255. $1372.70

Pages 41 and 421. 24 pieces of pie2 1/4 yard3. 4 miles4. 1 1/8 miles5. 2 1/2 pieces of

taffy6. 3 weeks7. 75 ounces8. 66 1/4 inches9. $287.65

10. $21.7911. $114.2612. $81.1613. $300; $90; $21014. $26.4515. 25 students16. 150 children17. 20 homes18. 225 cards19. $0.8720. $1.5021. 26 minutes22. 288 boxes23. 6 pounds24. 6.25%

Pages 43 and 441. $500 every six

months. Take asalary of $10,000for Sample:1st year: $5,000 +$5,500 = $10,500vs. $10,0002nd year: $6,000+ $6,500 =$12,500 vs.$12,000

2. about 18,000miles

3. house numbers4. $0.205. 100%6. Choco-Chunk and

Nuts to U areequal in value.Goodie Two-Shoes is the betterbuy.

7. 200 miles a day8. $4,250.009. $1.25 to break

even; $4.38 tomake $25,000.

10. a. $14.00b. $42.00c. $52.50d. $87.50e. $49.00f. $105.00Yes, he saved$350.00

11. b12. a13. a14. a15. After 31 years,

the system willstill be worth$10!

16. 52 bushels ofwheat, 55 bushelsof corn, and 34bushels of oats.

.501–2 50%

Chart1. 1—

10, .10, 10%

2. 1–4

, .25, 25%

3. 9—20

, .45, 45%

4. 3—20

, .15, 15%

5. 4—5

, .80, 80%

6. 5—6

, .833, 83.3%

7. 77——100

, .77, 77%

8. 1—20

, .20, 20%

9. 11—50

, .222, 22%

10. 2–5

, .40, 40%

tcm 3731 book -...

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