Homework Helper Lesson 13 Divide Decimals

Name
Number and Operations in Base Ten
5.NBT.7
Lesson 13
Divide Decimals
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Homework Helper
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The Prease family drove 213.9 miles to the beach. Their car used
9.3 gallons of gas. How many miles did they drive per gallon of gas?
Find 213.9 ÷ 9.3.
Multiply 9.3 by 10 to make 93. Then,
multiply 213.9 by the same number,
10, to make 2,139.
9.3 213.9
Place the decimal point in the
quotient. Divide as with whole
numbers.
23.
93 2,139 .
- 1 86
279
- 279
0
So, they drove 23 miles per gallon of gas.
Check Multiply to check your answer.
23
× 9.3
213.9
Practice
Copyright © The McGraw-Hill Companies, Inc.
Divide. Check your answer using multiplication.
1. 12.42 ÷ 4.6 =
2. 0.4 0.242
3. 1.404 ÷ 0.45 =
Lesson 13 My Homework459
Problem Solving
4. Lamar spent $16.25 on peanuts. If he bought 2.6 pounds
of peanuts, how much does one pound of peanuts cost?
5. Sei paid $10.48 for a number of washcloths. If each
washcloth is $1.31, how many washcloths did Sei get?
6
6.
Be Precise Write and solve a real-world
problem that involves dividing a decimal by a decimal.
Test Practice
TO
E
D
MA DER!
OR
8. Mason has 1.71 meters of string to decorate his locker. He cut the
string into 0.19-meter lengths. How many pieces does he have?
A
6 pieces
B
7 pieces
C
8 pieces
D
9 pieces
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7. Patricia has 3.75 pounds of hamburger. She is making
hamburgers with 0.25 pound of hamburger each. How
many hamburgers can she make?