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math

math

8 cards·by th0183055

Study this deck

Where this fits

Addition strategies: almost neighbours

Addition strategies

Subtraction strategies: think addition

Addition strategies: 15+..., to 17+...

Subtraction strategies: counting up

1+2

3

2+3

5

3+4

7

4+5

9

5+6

11

6+7

13

7+8

15

8+9

17