Adding and Subtracting Within 20

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1st Grade Math › Adding and Subtracting Within 20

Questions 1 - 10
1

Explanation

To subtract we can count backwards. Start at and count back .

2

Explanation

To subtract we can count backwards. Start at and count back .

3

Explanation

To subtract we can count backwards. Start at and count back .

4

Explanation

To add we count up. Start at and count up .

5

Explanation

To subtract we can count backwards. Start at and count back .

6

Explanation

To add we count up. Start at and count up .

7

Explanation

To subtract we can count backwards. Start at and count back .

8

Explanation

To add we count up. Start at and count up .

9

Explanation

To add we count up. Start at and count up .

10

Explanation

To add we count up. Start at and count up .

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