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5 NBT. 7 CFA

Last updated over 7 years ago

4 questions

Note from the author:

Adding and subtracting decimals

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Question 1

1.

FInd the sum of 0.48 and 0.6.

You may use the models shown below to help you find the sum.

0.42
0.54
1.08
1.80

Question 2

2.

Find the sum.
6.32 + 9.5

Explain how you got your answer, or use a model or another strategy to show how you got your answer:

Question 3

3.

Find the difference.

10.73 - 1.8

Explain how you got your answer, or use a model or another strategy to show how you got your answer:

Question 4

4.

Jenna’s backpack weighed 12.09 pounds. Kara’s backpack weighed 15.3 pounds. How much heavier was Kara’s backpack?

Use what you know about decimals to explain how you found your answer.