Comprender que la suma y la resta son operaciones inversas.

Escribe la operación inversa de las sumas:

7 + 1 = 8 ___ - ___ = ____

6 + 3 = 9 ___ - ___ = ____

8 + 1 = 9 ___ - ___ = ____

7 + 4 = 11 ___ - ___ = ____

5 + 2 = ___ ___ - ____ = ____

2 + 4 = ___ ___ - ____ = ____

6 + 1 = ___ ___ - ____ = ____

3 + 3 = ___ ___ - ____ = ____

5 + 7 = ___ ___ - ____ = ____

9 + 2 = ___ ___ - ____ = ____

7 + 7 = ___ ___ - ____ = ____Escribe la operación inversa de la resta.

4 – 2 = 2 2 + 2 = 4

7 – 3 = 4 ___ + ___ = ____

5 – 1 = ___ ___ + ___ = ____

8 – 2 = ___ ___ + ___ = ____

7 – 5 = ___ ___ + ___ = ____

3 – 2 = ___ ___ + ___ = ____

10 – 8 = ____ ___ + ___ = ____

9 – 5 = ____ ___ + ___ = ____