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
44 − 10 = ______
54 + 20 = ______
2 × 10 = ______
63 + 20 = ______
64 + 20 = ______
48 − 10 = ______
72 + 20 = ______
73 + 20 = ______
37 − 10 = ______
63 − 10 = ______
33 − 10 = ______
8 × 10 = ______
45 + 20 = ______
4 × 10 = ______
86 + 10 = ______
96 − 10 = ______
47 + 10 = ______
26 − 10 = ______
95 − 10 = ______
89 + 20 = ______
