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
1 × 10 = ______
80 − 10 = ______
33 − 10 = ______
9 × 10 = ______
4 × 10 = ______
78 + 10 = ______
56 − 10 = ______
2 × 10 = ______
5 × 10 = ______
24 − 10 = ______
86 + 20 = ______
63 − 10 = ______
64 + 10 = ______
33 + 10 = ______
73 − 10 = ______
99 − 10 = ______
32 + 20 = ______
47 + 10 = ______
17 + 10 = ______
16 + 20 = ______
