Homework Helper _ Lesson 10 Divide Whole

Name
Number and Operations – Fractions
5.NF.7, 5.NF.7b, 5.NF.7c
Lesson 10
Divide Whole
Numbers by Unit
Fractions
eH
Help
l
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The recipe Melinda is using to make fruit punch is for one serving.
1
cup of pineapple juice. Melinda has 5 cups of
It calls for
2
pineapple juice. How many servings can Melinda make?
_
The model represents 5 cups of juice. Since each serving uses
1
1
_
cup of pineapple juice, find how many _ cups are in 5 cups.
2
2
5
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
1
There are ten _ -cup sections in the model, so 5 ÷ _ = 10.
2
2
Melinda can make 10 servings of fruit punch.
10
1 =_
Check 10 × _
or 5
2
2
Practice
Find each quotient. Use a model. Check using multiplication.
1
1. 4 ÷ _ =
1
2. 6 ÷ _ =
Copyright © The McGraw-Hill Companies, Inc.
5
Check
2
1 =_
×_
or 4
5
Check
1 =_
×_
or 6
2
Lesson 10 My Homework769
Problem Solving
5
Use Math Tools Draw a model to solve
each problem.
3. Chef Erin has 4 pizzas that need to be cut into slices.
1
Each slice represents _ of a pizza. How many slices of
6
pizza can she serve?
4. A baker cuts 3 cakes into pieces. Each piece represents
1
_
of a cake. What is the total number of pieces?
8
7
5.
Identify Structure Circle the model
1
below that represents 2 ÷ _.
Test Practice
6. Karen uses five pounds of hamburger to grill
hamburgers. Each pound is divided into thirds
to make each hamburger. How many hamburgers
1
can Karen serve? Find the unknown in 5 ÷ _ = h.
3
A
h = 10 hamburgers
B
h = 12 hamburgers
C
h = 15 hamburgers
D
h = 18 hamburgers
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3