Grade 5 HMH Go Math - Answer Keys Answer keys Chapter 3; Lesson 8: Add Decimals

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Grade 5 HMH Go Math - Answer Keys

Chapter 3; Lesson 8: Add Decimals

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Add Decimals

Estimate. Then find the sum.

Question 1 (request help)

Question 2 (request help)
4.23
+6.51

	Estimate
	Sum:

(show solution)

Question 3 (request help)
6.8
+4.2

	Estimate
	Sum:

(show solution)

Question 4 (request help)
2.7
+5.37

	Estimate
	Sum:

(show solution)

Find the sum.

Question 5 (request help)
6.8 + 4.4

(show solution)

Question 6 (request help)
6.87 + 5.18

(show solution)

Question 7 (request help)
3.14 + 2.9

(show solution)

Question 8 (request help)
16.18 + 5.94

(show solution)

Question 9 (request help)
19.8 + 31.45

(show solution)

Question 10 (request help)
25.47 + 7.24

(show solution)

Question 11 (request help)
9.17 + 5.67

(show solution)

Question 12 (request help)
19.7 + 5.46

(show solution)

Problem Solving

Question 13 (request help)
Marcela’s dog gained 4.1 kilograms in two months. Two months ago, the dog’s mass was 5.6 kilograms. What is the dog’s current mass?

kilograms

(show solution)

Question 14 (request help)
During last week’s storm, 2.15 inches of rain fell on Monday and 1.68 inches of rain fell on Tuesday. What was the total amount of rainfall on both days?

inches

(show solution)

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