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
3 × 10 = ______
53 − 10 = ______
9 × 10 = ______
7 × 10 = ______
13 + 20 = ______
16 + 10 = ______
20 + 10 = ______
2 × 10 = ______
6 × 10 = ______
27 − 10 = ______
76 + 20 = ______
38 − 10 = ______
52 + 10 = ______
72 + 10 = ______
47 − 10 = ______
1 × 10 = ______
89 + 20 = ______
31 − 10 = ______
91 − 10 = ______
85 − 10 = ______
