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1
Splash Screen
Chapter 6 Multiplying and Dividing Decimals and
Fractions Click the mouse or press the space bar
to continue.
2
Chapter Menu
Multiplying and Dividing Decimals and Fractions
6

• Lesson 6-1 Multiplying Decimals by Whole Numbers
• Lesson 6-2 Multiplying Decimals
• Lesson 6-3 Problem-Solving Strategy Reasonable
  Answers
• Lesson 6-4 Dividing Decimals by Whole Numbers
• Lesson 6-5 Dividing by Decimals
• Lesson 6-6 Problem-Solving Investigation Choose
  the Best Strategy
• Lesson 6-7 Estimating Products of Fractions
• Lesson 6-8 Multiplying Fractions
• Lesson 6-9 Multiplying Mixed Numbers
• Lesson 6-10 Dividing Fractions
• Lesson 6-11 Dividing Mixed Numbers

3
Lesson 1 Menu
Five-Minute Check (over Chapter 5) Main Idea and
Vocabulary California Standards Example 1
Multiply Decimals Example 2 Multiply
Decimals Example 3 Annex Zeros in the
Product Example 4 Annex Zeros in the
Product Example 5 Scientific Notation
4
Lesson 1 MI/Vocab

• I will estimate and find the product of decimals
  and whole numbers.

• scientific notation

5
Lesson 1 Standard 1
Standard 5NS2.1 Add, subtract,
multiply, and divide with decimals add with
negative integers subtract positive integers
from negative integers and verify the
reasonableness of results.
6
Lesson 1 Ex1
Find 18.9 4.
One Way Use estimation.
Round 18.9 to 19.
3
3
18.9
Since the estimate is 76, place the decimal point
after the 5.

4
6
5
7
.
7
Lesson 1 Ex1
Another Way Count decimal places.
3
3
18.9

4
6
5
7
.
Answer 75.6
8
Lesson 1 CYP1
Find 12.7 5.

1. 64
2. 63.5
3. 60.35
4. 63.35

9
Lesson 1 Ex2
Find 0.56 7.
One Way Use estimation.
Round 0.56 to 1.
4
3
0.56
Since the estimate is 7, place the decimal point
after the 3.

7
2
9
3
.
10
Lesson 1 Ex2
Another Way Count decimal places.
4
3
0.56

7
2
9
3
.
Answer 3.92
11
Lesson 1 CYP2
Find 0.47 8.

1. 8
2. 5.76
3. 3.76
4. 0.392

12
Lesson 1 Ex3
Find 3 0.016.
1
0.016

3
8
4
0.
0
Answer 0.048
13
Lesson 1 CYP3
Find 0.026 2.

1. 0.052
2. 0.52
3. 0.0052
4. 0.502

14
Lesson 1 Ex4
ALGEBRA Evaluate 5g if g 0.0091.
5g 5 0.0091
Replace g with 0.0091.
4
0.0091

5
5
5
0
4
0.
Answer 0.0455
15
Lesson 1 CYP4
ALGEBRA Evaluate 3h if h 0.0054.

1. 1.62
2. 0.162
3. 0.00162
4. 0.0162

16
Lesson 1 Ex5
The average distance from Earth to the Sun is 1.5
108 kilometers. Write the distance in standard
form.
17
Lesson 1 Ex5
One Way Use order of operations.
Evaluate 108 first.
Then multiply.
1.5 108 1.5 10,000,000
150,000,000 kilometers
18
Lesson 1 Ex5
Another Way Use mental math.
Move the decimal point to the right the same
number of places as the exponent of 10, or 8
places.
1.5 108 1.50000000
150,000,000
19
Lesson 1 Ex5
Answer The average distance from Earth to the
Sun is 150,000,000 kilometers.
20
Lesson 1 CYP5
The average distance from the Sun to the planet
Jupiter is 58.8 107 kilometers. Choose the
answer showing the distance written in standard
form.

1. 588,000,000 kilometers
2. 58,000,000 kilometers
3. 5,880,000,000 kilometers
4. 5,800,000 kilometers

21
End of Lesson 1
22
Lesson 2 Menu
Five-Minute Check (over Lesson 6-1) Main
Idea California Standards Example 1 Multiply
Decimals Example 2 Multiply Decimals Example 3
Evaluate an Expression Example 4 Real-World
Example
23
Lesson 2 MI/Vocab

• I will multiply decimals by decimals.

24
Lesson 2 Standard 1
Standard 5NS2.1 Add, subtract,
multiply, and divide with decimals add with
negative integers subtract positive integers
from negative integers and verify the
reasonableness of results.
Standard 5MR2.1 Use estimation to verify the
reasonableness of calculated results.
25
Lesson 2 Ex1
Find 8.3 2.9.
8.3

2.9
747

166
24.07
Answer So, the product is 24.07.
26
Lesson 2 Ex1
Check for Reasonableness
Compare 24.07 to the estimate. 24.07 is about 24.
27
Lesson 2 CYP1
Find 4.5 3.9.

1. 17.55
2. 20
3. 18.44
4. 19.45

28
Lesson 2 Ex2
Find 0.12 5.3.
0.12

5.3
36

60
0.636
Answer So, the product is 0.636.
29
Lesson 2 Ex2
Check for Reasonableness
Compare 0.636 to the estimate. 0.636 is about 0.
30
Lesson 2 CYP2
Find 0.14 3.3.

1. 0.636
2. 0.543
3. 0.462
4. 0.723

31
Lesson 2 Ex3
ALGEBRA Evaluate 1.8r if r 0.029.
1.8r 1.8 0.029
Replace r with 0.029.
0.029

1.8
232

29
0.0522
Answer So, the product is 0.0522.
32
Lesson 2 CYP3
ALGEBRA Evaluate 2.7x if x 0.038.

1. 2.738
2. 0.1026
3. 0.0126
4. 0.2106

33
Lesson 2 Ex4
Carmen earns 14.60 per hour as a painters
helper. She worked a total of 15.75 hours one
week. How much money did she earn?
14.60

15.75
7300
10220
7300

1460
229.9500
34
Lesson 2 Ex4
Answer So, Carmen earned 229.95.
Check for Reasonableness
Compare 229.95 to the estimate. 229.95 is about
240.
35
Lesson 2 CYP4
Alex went shopping for 6.5 hours and spent 32.50
per hour. How much did she spend?

1. 211.25
2. 225
3. 250.25
4. 211.50

36
End of Lesson 2
37
Lesson 3 Menu
Five-Minute Check (over Lesson 6-2) Main
Idea California Standards Example 1
Problem-Solving Strategy
38
Lesson 3 MI/Vocab

• I will solve problems by determining reasonable
  answers.

39
Lesson 3 Standard 1
Standard 5MR3.1 Evaluate the reasonableness of
the solution in the context of the original
situation.
Standard 5NS2.1 Add, subtract,
multiply, and divide with decimals add with
negative integers subtract positive integers
from negative integers and verify the
reasonableness of results.
40
Lesson 3 Ex 1
For their science project, Stephanie and Angel
need to know about how much more a blue whale
weighs in pounds than a humpback whale.
They have learned that there are 2,000 pounds in
one ton. While doing research, they found a table
that shows the weights of whales in tons.
41
Lesson 3 Ex1
Understand
What facts do you know?

• There are 2,000 pounds in one ton.
• A blue whale weighs 151.0 tons.
• A humpback whale weighs 38.1 tons.

What do you need to find?

• A reasonable estimate of the difference in the
  weight of a blue whale and a humpback whale.

42
Lesson 3 Ex1
Plan
Estimate to find the weight of each whale in
pounds and then subtract to find a reasonable
estimate of the difference.
43
Lesson 3 Ex1
Solve
Blue whale
Humpback whale
300,000
80,000
300,000 80,000 220,000
Answer A reasonable estimate for the difference
in the weight of a blue whale and a humpback
whale is 220,000 pounds.
44
Lesson 3 Ex1
Check
Look back at the problem. A blue whale weighs
about 150 40 or 110 more tons than a humpback
whale. This is equal to 110 2,000 or 220,000
pounds. So the answer is reasonable.
45
End of Lesson 3
46
Lesson 4 Menu
Five-Minute Check (over Lesson 6-3) Main Idea and
Vocabulary California Standards Example 1 Divide
a Decimal by a 1-Digit Number Example 2 Divide a
Decimal by a 2-Digit Number Example 3 Real-World
Example
47
Lesson 4 MI/Vocab

• I will divide decimals by whole numbers.

• quotient

48
Lesson 4 Standard 1
Standard 5NS2.1 Add, subtract,
multiply, and divide with decimals add with
negative integers subtract positive integers
from negative integers and verify the
reasonableness of results.
49
Lesson 4 Standard 1
Standard 5NS2.2 Demonstrate proficiency
with division, including division with positive
decimals and long division with multidigit
divisors.
50
Lesson 4 Ex1
Find 7.2 3.
2
4
.
3
7.2

6
1
2

0
51
Lesson 4 Ex1
Answer 7.2 3 2.4
Check
Compared to the estimate, the quotient is
reasonable.
52
Lesson 4 CYP1
Find 6.4 4.

1. 8
2. 16
3. 1.6
4. 0.8

53
Lesson 4 Ex2
Find 6.6 15.
0
4
.
4
15
6.6
0

0
6
6

6
0

60
0
54
Lesson 4 Ex2
Answer 6.6 15 0.44
Check
Compared to the estimate, the quotient is
reasonable.
55
Lesson 4 CYP2
Find 8.8 16.

1. 5.5
2. 0.55
3. 0.22
4. 2.2

56
Lesson 4 Ex3
During a science experiment, Nita measured the
mass of four unknown samples. Her data is shown
below.
57
Lesson 4 Ex3
First, add all the data together.
Divide by the number of addends to find the mean
mass.
6.23 5.81 5.93 6.47
6.11
4
24.44

24.44
Answer So, the mean mass of Nitas samples is
6.11 grams.
58
Lesson 4 CYP3
Greta bought 4 pairs of socks for 25.36. If each
pair of socks costs the same amount, how much was
each pair?

1. 6.34
2. 6.00
3. 4.63
4. 3.64

59
End of Lesson 4
60
Lesson 5 Menu
Five-Minute Check (over Lesson 6-4) Main Idea and
Vocabulary California Standards Example 1 Divide
by Decimals Example 2 Zeros in the Quotient and
Dividend Example 3 Zeros in the Quotient and
Dividend Example 4 Round Quotients
Dividing Decimals
61
Lesson 5 MI/Vocab

• I will divide decimals by decimals.

• power

62
Lesson 5 Standard 1
Standard 5NS2.1 Add, subtract,
multiply, and divide with decimals add with
negative integers subtract positive integers
from negative integers and verify the
reasonableness of results.
63
Lesson 5 Standard 1
Standard 5NS2.2 Demonstrate proficiency
with division, including division with positive
decimals and long division with multidigit
divisors.
64
Lesson 5 Ex1
Find 21.44 6.4.
Estimate 21 7 3
Place the decimal point.
3
3
.
5
Divide as with whole numbers.
64
214.4
0
6.4
21.44

192
22
4

Annex a zero to continue.
0

0
65
Lesson 5 Ex1
Answer 21.44 divided by 6.4 is 3.35.
Check
Compare 3.35 to the estimate.
3.35 6.4 21.44
66
Lesson 5 CYP1
Find 32.45 5.5.

1. 5.9
2. 5.09
3. 5.90
4. 50.9

67
Lesson 5 Ex2
Find 72 0.4.
Place the decimal point.
1
8
.
0
4
720.
0.4
72.0

4
3
2

32
0
0
0

0
Answer So, 72 0.4 180.
Check 180 0.4 72
68
Lesson 5 CYP2
Find 45 0.9.

1. 0.50
2. 50
3. 5
4. 5.0

69
Lesson 5 Ex3
Find 0.024 2.4.
Place the decimal point.
0
0
.
1
24 does not go into 2, so write a 0 in the tenths
place.
24
0.24
2.4
0.024

0
0
2

0
2
4
24

0
Answer So, 0.024 2.4 0.01.
Check 0.01 2.4 0.024
70
Lesson 5 CYP3
Find 0.036 1.2.

1. 0.03
2. 3
3. 0.3
4. 1.2

71
Lesson 5 Ex4
Ioviano bought a stock at 42.88 per share. If he
spent 786.85, how many shares did he buy? Round
to the nearest tenth.
Find 786.85 42.88.
42.88
786.85
72
Lesson 5 Ex4
8
3
.
5
1
42.88
78685.00

4288
3580
5
34304

1501
0

2146
0

20
To the nearest tenth, 786.85 42.88 18.4.
Answer So, Ioviano bought about 18.4 shares.
73
Lesson 5 CYP4
A department store had one of their televisions
on sale for 245.75. If sales of the televisions
totaled 21,773.45, about how many televisions
were sold?

1. 88.6 televisions
2. 88 televisions
3. 89 televisions
4. 90 televisions

74
End of Lesson 5
75
Lesson 6 Menu
Five-Minute Check (over Lesson 6-5) Main
Idea California Standards Example 1
Problem-Solving Investigation
76
Lesson 6 MI/Vocab/Standard 1

• I will choose the best strategy to solve a
  problem.

77
Lesson 6 Standard 1
Standard 5MR1.1 Analyze problems by identifying
relationships, distinguishing relevant from
irrelevant information, sequencing and
prioritizing information, and observing patterns.
Standard 5NS2.1 Add, subtract,
multiply, and divide with decimals . . . and
verify the reasonableness of results.
78
Lesson 6 Ex1
MIGUEL At the store, I saw the following items
a batting glove for 8.95, roller blades for
39.75, a can of tennis balls for 2.75, and
weights for 5.50. I have 15 and I would like to
buy more than one item. YOUR MISSION Find which
items Miguel can buy and spend about 15.
79
Lesson 6 Ex1
Understand
What facts do you know?

• You know the cost of the items and that Miguel
  has 15 to spend.

What do you need to find?

• You need to find which items Miguel can buy.

80
Lesson 6 Ex1
Plan
Make an organized list to see the different
possibilities and use estimation to be sure he
spends about 15.
81
Lesson 6 Ex1
Solve
Since the roller blades cost more than 15, you
can eliminate the roller blades. The batting
glove is about 9, the weights are about 6, and
the can of tennis balls is about 3. Start with
the batting glove 1 glove 1 weights 9
6 or 15 1 glove 2 cans of tennis balls 9
6 or 15
82
Lesson 6 Ex1
Solve
List other combinations that contain the
weights 2 weights 1 can of tennis balls
12 3 or 15 1 weights 3 cans of tennis
balls 6 9 or 15 List the remaining
combinations that contain only tennis balls 5
cans of tennis balls 15
83
Lesson 6 Ex1
Check
Check the list to be sure that all of the
possible combinations of sporting good items that
total no more than 15 are included.
84
End of Lesson 6
85
Lesson 7 Menu
Five-Minute Check (over Lesson 6-6) Main Idea and
Vocabulary California Standards Example 1
Estimate Using Compatible Numbers Example 2
Estimate Using Compatible Numbers
Example 4 Estimate With Mixed Numbers
86
Lesson 7 MI/Vocab

• I will estimate products of fractions using
  compatible numbers and rounding.

• compatible numbers

87
Lesson 7 Standard 1
Standard 5MR2.5 Indicate the relative advantages
of exact and approximate solutions to problems
and give answers to a specified degree of
accuracy.
Standard 5NS2.5 Compute and perform simple
multiplication and division of fractions and
apply these procedures to solving problems.
88
Lesson 7 Ex1
Find a multiple of 5 that is close to 16.
15 and 5 are compatible numbers since 15 5 3.
15
16
15 3
15 5 3
89
Lesson 7 CYP1

1. 2

1. 3

90
Lesson 7 Ex2
Find a multiple of 4 that is close to 23.
Use 24 since 24 and 4 are compatible numbers.
24
23
24 6
24 4 6
91
Lesson 7 Ex2
92
Lesson 7 CYP2

1. 18

1. 17

1. 20

93
Lesson 7 Ex3
1

1

94
Lesson 7 CYP3

1. 2

95
Lesson 7 Ex4
Estimate the area of the rectangle.
Round each mixed number to the nearest whole
number.
96
Lesson 7 Ex4
7 2 14

Answer So, the area is about 14 square inches.
97
Lesson 7 CYP4

1. 30 in2
2. 27 in2
3. 40 in2
4. 36 in2

98
End of Lesson 7
99
Lesson 8 Menu
Five-Minute Check (over Lesson 6-7) Main
Idea California Standards Key Concept Multiply
Fractions Click here to continue the Lesson Menu
Multiplying Fractions
100
Lesson 8 Menu
Example 1 Multiply Fractions Example 2 Multiply
Fractions and Whole Numbers Example 3 Simplify
Before Multiplying Example 4 Evaluate Expressions
Multiplying Fractions
101
Lesson 8 MI/Vocab

• I will multiply fractions.

102
Lesson 8 Standard 1
Standard 5NS2.5 Compute and perform simple
multiplication and division of fractions and
apply these procedures to solving problems.
103
Lesson 8 Key Concept
104
Lesson 8 Ex1
Multiply the numerators.
1 1


Multiply the denominators.
5 6

Simplify.
105
Lesson 8 CYP1
106
Lesson 8 Ex2
7


Multiply.


Simplify.
107
Lesson 8 Ex2
Check for Reasonableness
108
Lesson 8 CYP2

1. 8

1. 9

109
Lesson 8 Ex3


Multiply.

or
Simplify.
110
Lesson 8 Ex3
Check for Reasonableness
111
Lesson 8 CYP3

1. 1

112
Lesson 8 Ex4
1
2
The GCF of 3 and 9 is 3. The GCF of 4 and 8 is 4.
Divide the numerator and the denominator by 3 and
4.

1
3
Simplify.

113
Lesson 8 CYP4
114
End of Lesson 8
115
Lesson 9 Menu
Five-Minute Check (over Lesson 6-8) Main
Idea California Standards Key Concept Multiply
Mixed Numbers Example 1 Multiply a Fraction and
a Mixed Number Example 2 Multiply Mixed
Numbers Example 3 Evaluate Expressions
116
Lesson 9 MI/Vocab

• I will multiply mixed numbers.

117
Lesson 9 Standard 1
Standard 5NS2.5 Compute and perform simple
multiplication and division of fractions and
apply these procedures to solving problems.
118
Lesson 9 Key Concept
119
Lesson 9 Ex1
5
1
Divide 10 and 8 by their GCF, 2. Divide 3 and 3
by their GCF, 3.
4
1
Simplify. Compare to the estimate.
120
Lesson 9 CYP1

1. 3

121
Lesson 9 Ex2
122
Lesson 9 Ex2
First, write mixed numbers as improper fractions.
Then, multiply the numerators and multiply the
denominators.
Simplify.
123
Lesson 9 CYP2
124
Lesson 9 Ex3
3
7
Divide the numerator and denominator by 2 and 5.


1
2
Simplify.
125
Lesson 9 CYP3

1. 13

126
End of Lesson 9
127
Lesson 10 Menu
Five-Minute Check (over Lesson 6-9) Main Idea and
Vocabulary California Standards Key Concept
Divide Fractions Example 1 Find
Reciprocals Example 2 Find Reciprocals Example
3 Divide by a Fraction Example 4 Divide by a
Fraction Example 5 Real-World Example
128
Lesson 10 MI/Vocab

• I will divide fractions.

• reciprocal

129
Lesson 10 Standard 1
Standard 5NS2.5 Compute and perform simple
multiplication and division of fractions and
apply these procedures to solving problems.
130
Lesson 10 Key Concept 1
131
Lesson 10 Ex1
Find the reciprocal of 8.
132
Lesson 10 CYP1
Find the reciprocal of 6.

1. 6

1. 0.6

133
Lesson 10 Ex2
134
Lesson 10 CYP2
135
Lesson 10 Ex3
2
Divide 3 and 6 by the GCF, 3.
1
Multiply numerators. Multiply denominators.
136
Lesson 10 CYP3
137
Lesson 10 Ex4
Simplify.
Answer 30
138
Lesson 10 CYP4

1. 48

1. 14

139
Lesson 10 Ex5
140
Lesson 10 Ex5

Multiply by the reciprocal.
Simplify.

141
Lesson 10 CYP5
142
End of Lesson 10
143
Lesson 11 Menu
Five-Minute Check (over Lesson 6-10) Main
Idea California Standards Key Concept Dividing
by Mixed Numbers Example 1 Divide by a Mixed
Number Example 2 Evaluate Expressions Example 3
Real-World Example
144
Lesson 11 MI/Vocab

• I will divide mixed numbers.

145
Lesson 11 Standard 1
Standard 5NS2.5 Compute and perform simple
multiplication and division of fractions and
apply these procedures to solving problems.
146
Lesson 11 Key Concept 1
147
Lesson 11 Ex1
Estimate 6 3 2
Write mixed numbers as improper fractions.
Multiply by the reciprocal.
148
Lesson 11 Ex1
1
5
Divide 2 and 4 by the GCF, 2, and 25 and 5 by the
GCF, 5.
2
1
Simplify.
149
Lesson 11 CYP1

1. 2

150
Lesson 11 Ex2
a b
Write the mixed number as an improper fraction.
Multiply by the reciprocal.
Simplify.
151
Lesson 11 CYP2
152
Lesson 11 Ex3
Estimate 180 4 45
Write mixed numbers as improper fractions.
153
Lesson 11 Ex3
Multiply by the reciprocal.
12
Divide 15 and 180 by the GCF, 15.
1
Simplify. Compare to the estimate.
48
Answer So, the team averaged 48 miles each day.
154
Lesson 11 CYP3
155
End of Lesson 11
156
CR Menu
Multiplying and Dividing Decimals and Fractions
6
Five-Minute Checks Math Tool Chest Image Bank
Dividing Decimals Multiplying Fractions
157
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158
IB 1
159
IB 2
160
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161
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162
5Min Menu
Multiplying and Dividing Decimals and Fractions
6
Lesson 6-1 (over Chapter 5) Lesson 6-2 (over
Lesson 6-1) Lesson 6-3 (over Lesson 6-2) Lesson
6-4 (over Lesson 6-3) Lesson 6-5 (over Lesson
6-4) Lesson 6-6 (over Lesson 6-5) Lesson
6-7 (over Lesson 6-6) Lesson 6-8 (over Lesson
6-7) Lesson 6-9 (over Lesson 6-8) Lesson
6-10 (over Lesson 6-9) Lesson 6-11 (over Lesson
6-10)
163
5Min 1-1
(over Chapter 5)

1. 4

164
5Min 1-2
(over Chapter 5)
165
5Min 1-3
(over Chapter 5)
Find the value of n.

1. 6

1. 5

166
5Min 1-4
(over Chapter 5)
Find the value of n.

1. 3

167
5Min 2-1
(over Lesson 6-1)
Find 3.8 2.

1. 5.8
2. 7.6
3. 5.6
4. 5

168
5Min 2-2
(over Lesson 6-1)
Find 0.6 25.

1. 15
2. 25
3. 10
4. 4

169
5Min 2-3
(over Lesson 6-1)
Find 0.038 15.

1. 0.63
2. 1.35
3. 0.57
4. 1

170
5Min 2-4
(over Lesson 6-1)
Find 0.0003 17.

1. 0.0021
2. 0.0034
3. 0.0051
4. 0.21

171
5Min 2-5
(over Lesson 6-1)
Mercury is approximately 3.6 107 miles from the
Sun. How far is this?

1. 360 mi
2. 1,800,000 mi
3. 36,000,000 mi
4. 3,000,000 mi

172
5Min 3-1
(over Lesson 6-2)
Find 75.4 2.9.

1. 150.36
2. 77.36
3. 125
4. 218.66

173
5Min 3-2
(over Lesson 6-2)
Find 0.05 0.123.

1. 0.15
2. 0.00615
3. 0.00506
4. 1

174
5Min 3-3
(over Lesson 6-2)
Evaluate 2.5y if y 4.8.

1. 4.8
2. 10.48
3. 8.5
4. 12

175
5Min 3-4
(over Lesson 6-2)
Selam makes 6.75 an hour. Last week, she worked
12.4 hours. How much did she earn?

1. 36.75
2. 48.55
3. 48.50
4. 83.70

176
5Min 4-1
(over Lesson 6-3)
Determine a reasonable answer. Mr. Nieto has
63.75 yards of fencing. How many feet of fencing
is that?

1. 127.50 ft
2. 191.25 ft
3. 255 ft
4. 33.75 ft

177
5Min 4-2
(over Lesson 6-3)
Cafeteria workers made 23.5 gallons of punch for
an awards banquet. They are serving the punch in
1-quart pitchers. How many containers do they
need for all the punch? (1 gal 4 qt)

1. 11.75 pitchers
2. 40 pitchers
3. 4 pitchers
4. 94 pitchers

178
5Min 5-1
(over Lesson 6-4)
Find 27.09 9. Round to the nearest tenth if
necessary.

1. 7.09
2. 4
3. 3.01
4. 7

179
5Min 5-2
(over Lesson 6-4)
Find 378.5 5. Round to the nearest tenth if
necessary.

1. 75.7
2. 75
3. 35.5
4. 102

180
5Min 5-3
(over Lesson 6-4)
Find 247.52 7. Round to the nearest tenth if
necessary.

1. 35.4
2. 24
3. 35.04
4. 23.5

181
5Min 5-4
(over Lesson 6-4)
Find the mean for the following set of data 7.8,
9.02, 2.62.

1. 4.5
2. 4.45
3. 6.48
4. 5.55

182
5Min 6-1
(over Lesson 6-5)
Find 24.36 4.2.

1. 5.8
2. 5.66
3. 4
4. 6.18

183
5Min 6-2
(over Lesson 6-5)
Find 15.39 0.05.

1. 128.5
2. 3
3. 12
4. 307.8

184
5Min 6-3
(over Lesson 6-5)
Find 0.648 0.12.

1. 0.85
2. 1.48
3. 5.4
4. 5.6

185
5Min 6-4
(over Lesson 6-5)
Find 0.782 3.4.

1. 0.23
2. 0.015
3. 4
4. 12

186
5Min 7-1
(over Lesson 6-6)
Choose the best strategy to solve the problem.
The sum of three consecutive numbers is 42. What
are the three numbers?

1. 12, 14, 16
2. 15, 12, 9
3. 13, 14, 15
4. 12, 13, 14

187
5Min 8-1
(over Lesson 6-7)
Estimate the product.

1. 1 36 6

188
5Min 8-2
(over Lesson 6-7)
Estimate the product.

1. 1 45 45

189
5Min 8-3
(over Lesson 6-7)
Estimate the product.
190
5Min 8-4
(over Lesson 6-7)

1. 25 40 975 ft2

1. 25 40 1,000 ft2

1. 26 40 1,040 ft2

1. 25 4 100 ft2

191
5Min 9-1
(over Lesson 6-8)
Multiply. Write in simplest form.
192
5Min 9-2
(over Lesson 6-8)
Multiply. Write in simplest form.
193
5Min 9-3
(over Lesson 6-8)
194
5Min 9-4
(over Lesson 6-8)
195
5Min 10-1
(over Lesson 6-9)
Multiply. Write in simplest form.

1. 2

196
5Min 10-2
(over Lesson 6-9)
Multiply. Write in simplest form.
197
5Min 10-3
(over Lesson 6-9)
198
5Min 10-4
(over Lesson 6-9)

1. 6

199
5Min 11-1
(over Lesson 6-10)
Divide. Write in simplest form.

1. 4

1. 8

200
5Min 11-2
(over Lesson 6-10)
Divide. Write in simplest form.

1. 4

1. 3

1. 2

201
5Min 11-3
(over Lesson 6-10)
Divide. Write in simplest form.

1. 3

1. 8

1. 9

202
5Min 11-4
(over Lesson 6-10)
Divide. Write in simplest form.

1. 1

203
End of Custom Shows
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