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Number and Operations – Fractions
5.NF.4, 5.NF.4a, 5.NF.6Co
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Lesson 2
Estimate Products of Fractions
PracticeEstimate each product. Draw a bar diagram if necessary.
1. 2 _ 3 × 26 2. 7 _
8 × 5 _
6 3. 5 1 _
5 × 8 5 _
6
Homework Helper
Find the estimated area of the floor rug shown.
Estimate 6 1 _ 6 × 3 5 _
6 .
Round each mixed number to the nearest whole number.
Round 6 1 _ 6 down to 6. Round 3 5 _
6 up to 4.
6 1 _ 6 × 3 5 _
6 ≈ 6 × 4
≈ 24
So, the area of the floor rug is about 24 square feet.
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3 ft
6 ft
56
16 ft
5
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Lesson 2 My Homework�717
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Problem Solving
Use the table to answer Exercises 4 and 5.
4. 3 Justify Conclusions The table shows the results of a class survey about pets. Suppose 53 students were surveyed. About how many students have one pet? Justify your answer.
5. If 100 students are surveyed, about how many students own 2 or more pets? Explain.
6. A rectangular floor measures 10 1 _ 8 feet by 13 3 _
4 feet. If Mary buys
150 square feet of carpet, will she have enough carpet to cover the floor?
Test Practice 7. A cup of water holds about 8 ounces. If a
recipe calls for 1 _ 3 cup of water, which is the
best estimate of the number of ounces that are needed? Draw a bar diagram if necessary.
A 1 ounce C 6 ounces
B 3 ounces D 8 ounces
Students with PetsNumber of Pets
Fraction of Students with Pets
0 1 _ 20
1 1 _ 2
2 or more 9 _ 20
Program: GMH CCM Component: SEPDF Pass
Vendor: Quad Graphics Grade: 5
718�Need more practice? Download Extra Practice at connectED.mcgraw-hill.com
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