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UNIT 5
CHAPTER 17
Lesson 17-4
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CHAPTER 17 ADDITION STRATEGIES AND FACTS TO 18
Lesson 17-4 ALGEBRA: Add Three Numbers
Add Three Numbers
Name ___________________________
You can use doubles or make a ten to add three numbers.
Add the doubles or make a ten first.
Then find the sum.
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7.
What are two ways to add
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