Use the Unknown-Addend to Subtract: CCSS.MATH.CONTENT.1.OA.B.4

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1st Grade Math › Use the Unknown-Addend to Subtract: CCSS.MATH.CONTENT.1.OA.B.4

Questions 1 - 10
1

What can we add to to get

Explanation

or as a subtraction problem, .

2

What can we add to to get to

Explanation

or as a subtraction problem, .

3

What can we add to to get to

Explanation

or as a subtraction problem, .

4

What can we add to to get

Explanation

or as a subtraction problem, .

5

What can we add to to get to

Explanation

or as a subtraction problem, .

6

What can we add to to get to

Explanation

or as a subtraction problem, .

7

What can we add to to get

Explanation

or as a subtraction problem, .

8

What can we add to to get

Explanation

or as a subtraction problem, .

9

What can we add to to get to

Explanation

or as a subtraction problem, .

10

What can we add to to get

Explanation

or as a subtraction problem, .

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