Matemáticas mentales Worksheet
Recommended for 1er grado — 5to grado
Matemáticas mentales Worksheet
Name: ____________________Date: ____________
Instructions: Usar estrategias mentales como sumar diez, duplicar y compensar para calcular rápidamente.
20 problems
23 − 10 = ______
95 − 10 = ______
86 − 10 = ______
79 + 10 = ______
33 − 10 = ______
3 × 10 = ______
34 − 10 = ______
78 + 10 = ______
22 + 10 = ______
63 + 20 = ______
67 + 10 = ______
41 + 10 = ______
8 × 10 = ______
70 − 10 = ______
36 + 20 = ______
78 + 20 = ______
57 + 10 = ______
7 × 10 = ______
71 + 20 = ______
57 + 20 = ______
