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UNIT 7
CHAPTER 28
Lesson 28-6
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CHAPTER 28 EXPLORING 2-DIGIT ADDITION AND SUBTRACTION
Lesson 28-6 Estimate Sums and Differences
Estimate Sums and Differences
Name ___________________________
You can estimate sums and differences.
Solve. Circle yes or no.
1.
Will
be greater than 40?
No.
2.
Will
be less than 60?
Yes.
No.
3.
Will
be greater than 50?
Yes.
No.
4.
Will
be less than 70?
Yes.
No.
5.
Will
be greater than 80? Explain.
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