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Date Time
LESSON
91
Adult Weights of North American Animals
2,00
0 lb
to 3
,500
Wal
rus
650
lb to
1,7
50 lb
Po
lar b
ear
2,00
0 lb
to 3
,500
lb
Bel
uga
wha
le
7 lb
to 2
0 lb
A
rctic
fox
3 2
lb to
5
lb 3
Snow
shoe
har
e
200
lb to
396
lb
Har
p se
al
170
lb to
240
lb
Mou
ntai
n go
at
300
lb to
620
lb
Nor
ther
n fu
r sea
l
15 lb
to 4
5 lb
R
acco
on
250
lb to
600
lb
Bla
ck b
ear
20 lb
to 5
6 lb
B
eave
r
204 two hundred four
Date Time
LESSON
91
Adult Weights of North American Animals cont.
20 lb
to 4
0 lb
A
mer
ican
por
cupi
ne
45,0
00 lb
to 7
2,00
0 lb
G
ray
wha
le
3,20
0 lb
to 6
,400
lb
Pilo
t wha
le
50 lb
to 4
80 lb
W
hite
-taile
d de
er
2 1
lb to
4 lb
2
Gila
mon
ster
150
lb to
230
lb
Pum
a
250
lb to
450
lb
Atla
ntic
gre
en tu
rtle
48 lb
to 9
9 lb
Se
a ot
ter
200
lb to
500
lb
Am
eric
an a
lliga
tor
9 lb
to 1
6 lb
G
ray
fox
350
lb to
430
lb
Bot
tle-n
osed
dol
phin
500
lb to
1,1
00 lb
W
est I
ndia
n m
anat
ee
200
lb to
300
lb
Com
mon
dol
phin
70
,000
lb to
140
,000
lb
Rig
ht w
hale
two hundred five 205
Date Time
LESSON
91
Multiples of 10, 100, and 1,000
Solve each problem.
1. a. 7 [40s] b. 7 40
2. a. 6 [70s] b. 6 70
3. a. 60 [20s] b. 60 20
4. How many 50s are in 4,000?
5. How many 800s are in 2,400?
6. a. How many 3s are in 270? b. 3 270
c. 270 ÷ 3
7. a. 40 300 b. 12,000 ÷ 40
For Problems 8 through 10, use the information on pages 204 and 205.
8. a. Which animal might weigh about 20 times as much as a 30-pound raccoon?
b. Can you name two other animals that might weigh 20 times as much as a 30-pound raccoon?
9. About how many 200-pound American alligators weigh about as much as a 3,200-pound beluga whale?
Try This
10. Which animal might weigh about 100 times as much as the combined weights of a 15-pound arctic fox and a 10-pound arctic fox?
206 two hundred six
Date Time
LESSON
91
Math Boxes
1. If I wanted to take out a square 2. Put these numbers in order from about 4 times as often as a circle, smallest to largest.
I
w
o
u
l
d
p
u
t
i
n
square(s). 998,752
1,000,008
750,999
1,709,832
20
3. Write equivalent fractions.
12
14
4. Pencils cost $1.99 for a package of 24. Estimate. About how much do 4 packages cost?
27-30 191
5. Use bills and coins.
Share $45.90 equally among
6. Measure the line segment to the nearest 1 inch.
23 people. about in.
Each gets $ . Draw a line segment that is 11 inches long.
Share $49.20 equally among 24 people.
Each gets $ .73 143 144
two hundred seven 207
Date Time
LESSON
92
Mental Multiplication
Solve these problems in your head. Use a slate and chalk, or pencil and paper, to help you keep track of your thinking. For some of the problems, you will need to use the information on journal pages 204 and 205.
1. Could 5 arctic foxes weigh 100 pounds?
Less than 100 pounds?
Explain the strategy you used.
2. Could 12 harp seals weigh more than 1 ton? Less than 1 ton?
Explain the strategy that you used.
3. How much do eight 53-pound white-tailed deer weigh?
Explain the strategy that you used.
4. How much do six 87-pound sea otters weigh?
5. How much do seven 260-pound Atlantic green turtles weigh?
6. 6 54 7. 4 250
8. 2 460 9. 3 320
208 two hundred eight
Date Time
LESSON
92
Number Stories
Use the Adult Weights of North American Animals poster on Math Journal 2, pages 204 and 205. Make up multiplication and division number stories. Ask a partner to solve your number stories.
1.
Answer:
2.
Answer:
3.
Answer:
two hundred nine 209
Date Time
LESSON
92
Math Boxes
1. Nicky has $806 in the bank. Andrew has $589. How much more money does Nicky have than Andrew?
$
2. Write the numbers. 5 tens 9 ones
50
3 tens 8 ones
Total: 59
Total:
258
3. hour 30 minutes 4. Draw a shape with a perimeter of 14 units.
hours 90 minutes
2 hours minutes
11 hours 4
hours
minutes
180 minutes What is the area of the shape?
247 square units 150 151 154 155
5. Fill in the missing numbers. 6. Circle the most appropriate unit. Use fractions.
length of a calculator:
0 2inches feet miles
3 weight of an adult:
ounces pounds tons
amount of gas in a car:
cups pints gallons 10
26
210 two hundred ten
Date Time
LESSON
93
Array Multiplication 1 1.
H
ow m
any
squa
res
are
in a
4-b
y-28
arr
ay?
Mak
e a
pict
ure
of th
e ar
ray.
1
Tota
l squ
ares
:
428
01
20
30
2.
How
man
y sq
uare
s ar
e in
a 3
-by-
26 a
rray
? M
ake
a pi
ctur
e of
the
arra
y.
1
Tota
l squ
ares
:
326
01
20
30
3.
How
man
y sq
uare
s ar
e in
a 6
-by-
32 a
rray
? M
ake
a pi
ctur
e of
the
arra
y.
1
Tota
l squ
ares
:
632
01
20
30
two hundred eleven 211
Date Time
LESSON
93
Geoboard Areas
R
e
c
o
r
d
y
o
u
r
r
e
s
u
l
t
s
i
n
t
h
i
s
t
a
b
l
e
.
Area
12 square units
12 sq
uare units
6 square units
6 square units
16 square
units
16 square units
Geoboard Areas Longer Sides
units
units
units
units
units
units
Shorter Sides
units
units
units
unit
units
units
1. Study your table. Can you find a pattern?
2.
3.
Find the lengths of the sides of a rectangle or square whose area is 30 square units without using the geoboard or geoboard dot paper. Make or draw the shape to check your answer.
Make check marks in your table next to the rectangles and squares whose perimeters are 14 units and 16 units.
212 two hundred twelve
Date Time
LESSON
93
Math Boxes
1. If I wanted to have an equal 2. Which number is the smallest? Fill chance of taking out a circle in the circle for the best answer. or a square, I would add circle(s) to the bag.
A
B
C
D
1,060
1,600
1,006
6,001
20
3. Write 3 fractions that are equivalent
to 182.
4. Pencils cost $1.99 for a package of 24 and $1.69 for a package of 16. What is the total cost of two 24-pencil packages and one 16-pencil package?
Ballpark estimate:
Exact answer:
5. Use bills and coins.
Share $108 equally among 4 people.
27-30
6.
191
Measure the line segment to the nearest 1 inch.
4
Each gets $ . about in.
Share $61 equally among Draw a line segment that is 4 people.
Each gets $ .
21 inches long. 4
73 143 144
two hundred thirteen 213
Date Time
LESSON
94
Using the Partial-Products Algorithm
Multiply. Compare your answers with a partner. If you disagree, discuss your strategies with each other. Then try the problem again.
Example 7 46 1. 34 2
46 34 7 2
7 [40s] 280 7 [6s] 42
280 42 322
2. 83 5 3. 55 6
83 55 5 6
4. 214 7 5. 403 5
214 403 7 5
214 two hundred fourteen
Date Time
LESSON
94
Measures
Measure these drawings to the nearest 1 inch and 1 centimeter. 2 2
1.
The length of the fish
about in. about cm
2. Alpha Beta The map distance from Alpha to Beta
about in. about cm
3. A B Line segment AB: about in.
Line segment AB: about cm
Line segment AC: about in.
Line segment AC: about cm D C
Try This
Carefully draw the following line segments:
4. 9.5 cm
5.
6.
41 in. 4
2 cm shorter than 9.5 cm
7. 11 in. shorter than 41 in. 4 4
two hundred fifteen 215
Date Time
LESSON
94
Math Boxes
1. Morgan earned $252 shoveling snow. Casey earned $228. How much more money did Morgan earn? Fill in the circle for the best answer.
2. Write the numbers.
5 hundreds 6 tens 4 ones
Total:
3.
A
C
$24
$470
seconds
B
D
$26
$480
2 minutes
258
4.
3 hundreds 2 tens 9 ones
Total:
The length of the longer
28 days weeks side is units.
6 months year The length of the shorter
months 11 years 2
side is units.
The area of the rectangle
is square units. 247 154-156
5. Fill in the missing numbers on the 6. Circle the unit you would use to number line. measure each item.
weight of journal
1 13
4ounce pound ton
length of football field
inch yard mile
length of paperclip
10 26 cm meter kilometer
216 two hundred sixteen
Date Time
LESSON
95
Shopping at the Stock-Up Sale
Use the Stock-Up Sale Poster #2 on page 217 in the Student Reference Book. Solve each number story below. There is no sales tax. Show how you got the answers.
1.
2.
3.
4.
When Mason sees bars of soap at the Stock-Up Sale, he wants to buy at least 5. He has $4.00. Can he buy 5 bars of soap?
Number model:
Can he buy 6 bars?
Vic's mom gave him a $5.00 bill to buy a toothbrush. If he goes to the sale, can he buy 5 toothbrushes?
Exactly how much money does Vic need in order to be able to buy 5 toothbrushes at the sale price?
Number model:
Andrea wants 2 bottles of glue. How much more will it cost her to buy 5 bottles at the sale price rather than 2 bottles at the regular price?
Make up a Stock-Up Sale story of your own.
Answer:
Number model:
two hundred seventeen 217
Date Time
LESSON
95
Math Boxes
1. Fill in the oval for the best 2. Draw a 4-by-9 array of Xs. answer. The perimeter of the quadrangle is
21 yd.
30 yd.
24 yd.
42 yd.
6 yd
15 yd
How many Xs in all? Write a number model.
150 151 64 65
3. Use the partial-products algorithm 4. Solve. to solve.
(40 3) 292 37 60 50 4 (300 6)
(7 80) 140
68 69 16
5. Draw a set of 12 circles. 6. Solve.
Color 152 of the set blue. 1 foot inches
Color 1
of the set
red. 3
feet 36 inches
Color 1 of the
set green. 6
1 yard
1 yard
yards
feet
15 feet
inches
24 146
218 two hundred eighteen
Date Time
LESSON
96
Factor Bingo Game Mat
Write any of the numbers 2 3 4 5 6 7 8 9 10 2 through 90 onto the grid above.
You may use a number only once.
To help you keep track of the numbers you use, circle them in the list.
11
21
31
41
51
61
71
81 12
22
32
42
52
62
72
82 13
23
33
43
53
63
73
83 14 15
24
25
34
35
44
45 54 55 64
65 74 75 84
85
16
26 36 46 56 66 76 86
17
27
37
47
57
67
77
87
18
28
38
48
58
68
78 88 19 20
2
9
3
0
3
9
4
0
49 50
59 60
69 70
79 80
89 90
two hundred nineteen 219
Date Time
LESSON
96
Using the Partial-Products Algorithm
Multiply. Show your work. Compare your answers with your partner's answers. If you disagree, discuss your strategies with each other. Then, try the problem again.
1.
3.
5.
68 2
47 4
231 6
2.
4.
6.
96 5
85 9
508 5
220 two hundred twenty
Date Time
LESSON
96
Math Boxes
1. Estimate. Malachi sold 19 boxes 2. Solve. of candy for $2.50 a box. About how much money should he have?
about
Number model:
(9 9) (43 9)
(5,600
963
80)
(567
2
439)
3.
Use
your Fraction Cards. Write , , or to make the number sentence true.
191
4. Use bills and coins.
Share $63.75 equally among 3 people.
16
131
144
Each gets $ .
313
12 78
Share $63.00 equally among 5 people.
1 4 Each gets $ .3 6
31 32 73
5. You and a friend are playing a 6. Measure this line segment. game with a 6-sided die. You win if an odd number is rolled. Your friend wins if an even number is rolled. Do you think this game is fair? Circle one.
It is about
It is about
inches long.
centimeters yes
no long.
137-139 143-145
two hundred twenty-one 221
Date Time
LESSON
97
Sharing Money
Work with a partner. Put your play money in a bank for both of you to use.
1. If $54 is shared equally by 3 people, how much does each person get?
a. How many $10 bills does each person get? $10 bill(s)
b. How many dollars are left to share? $
c. How many $1 bills does each person get? $1 bill(s)
d. Number model: $54 3 $
2. If $204 is shared equally by 6 people, how much does each person get?
a. How many $100 bills does each person get? $100 bill(s)
b. How many $10 bills does each person get? $10 bill(s)
c. How many dollars are left to share? $
d. How many $1 bills does each person get? $1 bill(s)
e. Number model: $204 6 $
3. If $71 is shared equally by 5 people, how much does each person get?
a.
b.
c.
d.
e.
How many $10 bills does each person get?
How many dollars are left to share? $
How many $1 bills does each person get?
How many $1 bills are left over?
If the leftover $1 bill(s) are shared equally, how many cents does each person get? $
$1 bill(s)
$10 bill(s)
$1 bill(s)
f. Number model: $71 5 $
4. $84 3 $ 5. $75 6 $
6. $181 4 $ 7. $617 5 $
222 two hundred twenty-two
Date Time
LESSON
97
Math Boxes
1. Draw a shape with a perimeter of 20 centimeters.
What is the area of your shape?
2. Draw a 4-by-8 array of Xs.
How many Xs in all? Write a number model.
square
centim
eters
150 151 154 155 64 65
3. Use the partial-products algorithm 4. Put in the parentheses needed to to solve. complete the number sentences.
296 183 15 80 90 7,215 4 7
14 6 800 6,400
60 79 1 4,800
5. What part of this pizza has been eaten?
What part is left?
68 69
6. Complete.
24 inches
30 cm
yards
yards
feet
mm
12 feet
72 inches
16 17
4 meters centimeters
22 23 140 146
two hundred twenty-three 223
Date Time
LESSON
98
Division with Remainders
Solve the problems below. Remember that you will have to decide what the remainder means in order to answer the questions. You may use your calculator, counters, play money, or pictures.
1.
2.
Ruth is buying soda for a party. There are 6 cans in a pack. She needs 44 cans. How many 6-packs will she buy?
Paul is buying tickets to the circus. Each ticket costs $7. He has $47.
6-packs
How many tickets can he buy? tickets
3. Héctor is standing in line for the roller coaster. There are 33 people in line. Each roller coaster car holds 4 people. How many cars are needed to hold 33 people? cars
Pretend that the division key on your calculator is broken. Solve the following problems:
4. Regina is building a fence around her dollhouse. She is making each fence post 5 inches tall. The wood she bought is 36 inches long. How many fence posts does each piece of wood make?
Explain how you found your answer.
posts
5. Missy, Ann, and Herman found a $10 bill. They want to share the money equally. How much money will each person get?
Explain how you found your answer.
224 two hundred twenty-four
Date Time
LESSON
98
Math Boxes
1. Kevin and Naomi read to each 2. Fill in the circle for the best other for 35 minutes each day. answer. 5 (6 5) About how many hours do they read to each other in one week?
Answer: about (unit)
A
B
C
D
4
5
16
25 16
3. Write 5 names for 3. 4
3
4. Use bills and coins.
Share $78 equally among 3 people.
4 Each person gets $ . .
Share $53 equally among 4 people.
Each person gets $ . .
5.
27-30
You and a friend are playing a game with the spinner. You win if the spinner lands on purple. Your friend wins if the spinner lands on black.
6. Draw a line segment 13 inches 4
long.
73
Do you think this game is fair?
1Draw a line segment 2 inch longer than the one you just drew.
yes
no
black
purple
143 144
two hundred twenty-five 225
Date Time
LESSON
99
Lattice Multiplication
Megan has a special way of doing multiplication problems. She calls it lattice multiplication. Can you figure out how she does it?
Study the problems and solutions in Column A. Then try to use lattice multiplication to solve the problems in Column B.
3 64
Column A 192 1. 4 65
Column B
6 4 6 5
11 1 82
92
3 4
5 713
7
3,565
1 3
2. 6 815
8 1 5
301 3555
565
5 6
7 376
3
2,632
7 6
3. 9 634
6 3 4
244 1
2192 632
7 9
226 two hundred twenty-six
Date Time
LESSON
99
Lattice Multiplication Practice
1. 8 45 2. 9 37
4 5
8
3. 5 23 4. 3 124
5. 6 431 6. 7 209
two hundred twenty-seven 227
Date Time
LESSON
99
Math Boxes
1. Name the eight factors of 24. 2. Use the partial-products algorithm to solve. Show your work.
,
,
,
,
,
,
,238
6574
5
3.
37
16 books in all. 3 books per shelf.
How many shelves?
How many books
left over?
74 259 260
4. Draw an angle that measures between 0° and 90°.
68 69
167 168
5. This shape is a . 6. What is the median number of hours children sleep each night?
It has vertices.
sides and hours
Number Hours
8
9
10 11
of Children
////
////\ ////
////
/
103 80
228 two hundred twenty-eight
Date Time
LESSON
9 10
Array Multiplication 2
1. How many squares are in a 20-by-13 array? Total squares
20 13
20
10
010 20
2. How many squares are in an 18-by-30 array? Total squares
18 30 20
10
010 20 30
two hundred twenty-nine 229
Date Time
LESSON
9 10
Array Multiplication 3
1. How many squares are in a 17-by-34 array? Total squares
17 34 20
10
010 20 30
2. How many squares are in a 22-by-28 array? Total squares
22 28
20
10
010 20 30
230 two hundred thirty
Date Time
LESSON
9 10
Sharing Money
Work with a partner.
Materials number cards 0-9 (at least 2 of each)
1 die
$10 bills, $1 bills, and tool-kit coins (optional)
Draw 2 number cards. Form a 2-digit number to show how much money will be shared. Roll 1 die to show how many friends will share the money. Fill in the boxes below.
1. $ is shared equally by friends.
a. How many $10 bills does each friend get?
b. How many $1 bills does each friend get? c.
How many $1 bills are left over?
d. If the leftover money is shared equally, how many cents does each friend get?
e. Each friend gets a total of $ .
f. Number model:
Repeat. Draw the next 2 cards. Roll the die. Fill in the blanks below.
2. $ is shared equally by friends.
a. How many $10 bills does each friend get? b.
How many $1 bills does each friend get? c.
How many $1 bills are left over?
d. If the leftover money is shared equally, how many cents does each friend get?
e. Each friend gets a total of $ .
f. Number model:
two hundred thirty-one 231
Date Time
LESSON
9 10
Math Boxes
1. Draw a shape with an area of 2. Practice lattice multiplication. 10 square centimeters.
39 48
What is the perimeter of your 150 151 70-72 154 155 shape? centimeters
3.
5.
Make an estimate. About how much money, without tax, will you need for 5 gallons of milk that cost $3.09 each?
about
191
Fill in the circle for the best answer.
4.
6.
Estimate. Reuben buys 3 bags of baby carrots at $2.19 per bag. He gives the cashier a $10 bill. About how much change should he get?
about
191
Circle the tool you would use to find the length of a pen:
The turn of the angle is
ruler compass scale
the weight of a dime: 1
A. gr
eater than a
4 turn. ruler compass
scale
B. less than a 1 turn. the way to get home: 4
C
.
g
r
e
a
t
e
r
t
h
a
n
a
1
t
u
r
n
.
2
D. a
full
turn.
167 168
ruler compass
scale
232 two hundred thirty-two
Date Time
LESSON
9 11
Multiplication with Multiples of 10
Multiply. Compare your answers with a partner. If you disagree, discuss your strategies with each other. Then try the problem again.
Example: 30 1. 70 26 18
20 [30s] 600 6 [30s] +180
780
2. 88 3. 60 40 35
4. 80 5. 90 44 63
two hundred thirty-three 233
Date Time
LESSON
9 11
Math Boxes
1. Write the six factors of 20. 2. Use the partial-products algorithm to solve.
, , ,489 608
7 9, ,
3.
37
Allison has 58 stickers. She wants to share them among 8 friends.
How many stickers does each friend get?
How many stickers are left over?
73 259 260
4. Fill in the oval for the best answer. The degree measure of the angle is
less than 40°.
more than 100°.
more than 180°.
90°.
68 69
167 168
5. Fill in the oval for the best answer. This picture of a 3-dimensional shape is called a
rectangular prism.
pyramid.
sphere.
6. Number of children per classroom:
25, 30, 26, 28, 33, 35, 28
Median:
Maximum:
Minimum: I t has
faces. Range:
117 79 80
234 two hundred thirty-four
Date Time
LESSON
9 12
2-Digit Multiplication
Multiply. Compare your answers with a partner. If you disagree, discuss your strategies with each other. Try the problem again.
1.
4.
24 16
59 79
2.
5.
42 31
36 14
3.
6.
12 87
42 53
7. Describe in words how you solved Problem 1.
two hundred thirty-five 235
Date Time
LESSON
9 12
Math Boxes
1. Find the area of the rectangle. 2. Practice lattice multiplication.
80 in. 56 78
40 in.
in.2 length of length of area short side long side
3.
5.
156
Taylor is 9 years old. About how many days old is he? Show your work.
about (unit)
Number model:
247
Fill in the oval for the best answer. The degree measure
4.
6.
70-72
Darius took two $5 bills and four $1 bills to the store. He bought shoelaces for $1.27 and 2 packs of batteries for $3.59 each. What is the smallest amount of money he can give to the cashier?
191
Match the tool with its use.
of the angle is
less than 90°.
less than 180°.
more than 180°.
find weight
measure length
tell time
ruler
clock
scale
167 168
236 two hundred thirty-six
Date Time
LESSON
9 13
Number Stories with Positive & Negative Numbers
Solve the following problems. Use the thermometer scale, the
class number line, or other tools to help.
1. The largest change in temperature in a single day took place in January 1916 in Browning, Montana. The temperature dropped 100°F that day. The temperature was 44°F when it started dropping.
How low did it go?
2. The largest temperature rise in 12 hours took place in Granville, North Dakota, on February 21, 1918. The temperature rose 83°F that day. The high temperature was 50°F.
What was the low temperature?
3. On January 12, 1911, the temperature in Rapid City,
°F 100
90
80
70
60
50
40
30
20
10
0
South Dakota, fell from 49°F at 6
By how many degrees did the
A.M. to 13°F at 8 A.M. -10
-20 -
30
temperature drop in those 2 hours?
4. The highest temperature ever recorded in Verkhoyansk, Siberia, was 98°F. The lowest temperature ever recorded there was 94°F.
What is the difference between those two temperatures?
5. Write your own number story using positive and negative numbers.
-40 -
50 -
60 -
70 -
80 -
90
-100
two hundred thirty-seven 237
Date Time
LESSON
9 13
Math Boxes
1. length units 2. Use the partial-products algorithm to solve.
width units
area
2 factors of 45
square units
652 3
408 8
are and .
3.
5.
37 154 156
There are 347 candles. A box holds 50 candles. How many full boxes of candles is that?
boxes
How many candles are left over?
candles
74 259 260
What 3-D shape is this a picture of? Fill in the oval for the best answer.
sphere
cylinder
pyramid
What is the shape of the base?
4.
6.
68 69
Fill in the oval for the best answer. The degree measure of the angle is
180°.
less than 90°.
less than 270°.
more than 270°.
167 168
Number of pets children have:
0, 4, 0, 1, 1, 3, 6, 2, 5
Median:
Maximum:
Minimum:
R ange:
118 79 80
238 two hundred thirty-eight
Date Time
LESSON
9 14
Math Boxes
1. Measure this line segment to the 2. Measure this line segment to the nearest 1 inch.
8
nearest 1 centimeter. 2
It is about centimeters long. It is about inches long.
Draw a line segment 13 inches 4
long.
Draw a line segment 3.5 centimeters long.
143-145 137-139
3. Circle the most appropriate unit. 4. Find the median of the following numbers.
length of calculator i
n
c
h
e
s
feet miles 34, 56, 34, 16, 33, 27, 45
weight of a third grader Median:
ounces pounds tons
amount of water in a drinking glass cups quarts gallons
80
5. Find the maximum, minimum, and 6. Circle the tool you use to find
range of the following numbers: the temperature:
18, 13, 6, 9, 15, 25, 21, 17
scale thermometer ruler
M
a
x
i
m
u
m
:
Minimum:
the weight of a Student Reference Book:
scale thermometer ruler Range:
the perimeter of a Student Reference Book:
scale thermometer ruler 79
two hundred thirty-nine 239