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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
Solve. Circle yes or no.
6.
Will
be less than 100?
Yes.
No.
7.
Will
be greater than 55?
Yes.
No.
8.
Will
be greater than 20?
Yes.
No.
9.
Will
be less than 30?
Yes.
No.
10.
Will
be greater than 70?
Yes.
No.
Estimation
11.
Will
be less than 40? Explain.
_______
Your child estimated sums and differences.
Activity:
Ask your child, "Will
be greater than 60?" Have your child explain.
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