NOMBRE ______________________________ FECHA _______________
ACTIVIDAD
15 − _______________ = 12 | 8 + _______________ = 12 |
20 − _______________ = 12 | _______________ + 5 = 12 |
_______________ − 2 = 12 | 12 = 10 + _______________ |
_______________ + 6 = 12 | _______________ − 4 = 12 |
2 + _______________ = 12 | 12 = _______________ + 7 |