Homework Helper Lesson 8 Hands On: Multiplication as

Name
Number and Operations – Fractions
5.NF.5, 5.NF.5a, 5.NF.5b, 5.NF.6
Lesson 8
Hands On:
Multiplication as
Scaling
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Multiply the number 3 by three fractions greater than 1
and three fractions less than 1.
Multiply 3 by three different fractions greater than 1 and three
different fractions less than 1.
3
1
3 × 1_ = 3_
1
1
3 × 1_ = 4_
3
1
3 × 1_ = 5_
3
1
3×_=_
1
1
3 × _ = 1_
5
7
3 × _ = 1_
5
4
5
2
4
2
4
2
2
8
4
8
Plot 3 on the number line. Then plot the products.
3
4
0
1
7
3
12 18
1
2
1
35
3
1
42
4
54
5
6
Multiplying a number by a fraction greater than one results
in a product greater than the number.
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Multiplying a number by a fraction less than one results
in a product less than the number.
Practice
Without multiplying, circle whether each product is greater than,
less than, or equal to the whole number.
1
1. 4 × _
5
2. 12 × 2_
7
greater than
6
less than equal to
greater than
less than
equal to
Lesson 8 My Homework755
Pocket money
Problem Solving
4
3. Maresol spent _ of her allowance on a pair of jeans. If
5
she received $15 for allowance, did Maresol spend more
than, less than, or equal to $15 on the jeans? Explain.
1
4. Dee used 2_ cups of sugar for a cake recipe. If the
3
amount of sugar the container holds is 3 times the
amount she used, does the container hold more than,
less than, or equal to 3 cups of sugar? Explain.
3
5. Derek ran _ of a race before he had to stop for a break. If the
8
race is 6 miles long, did Derek run more than, less than, or
equal to 6 miles before he took a break? Explain.
3
6.
Which One Doesn’t Belong? Circle the
6 × 2_21
3
6 × 1_5
_1 × 6
2
2
2_5 × 6
Vocab
Vocabulary Check
7. Fill in the blank with the correct term or number to complete the sentence.
is the process of resizing a number when you multiply
by a fraction that is greater than or less than 1.
756Chapter 10 Multiply and Divide Fractions
Copyright © The McGraw-Hill Companies, Inc. Brian Hagiwara/Brand X Pictures/PunchStock
multiplication expression that does not belong based on
scaling. Explain.