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
40 + 10 = ______
2 × 10 = ______
6 × 10 = ______
15 + 20 = ______
24 − 10 = ______
4 × 10 = ______
85 + 20 = ______
1 × 10 = ______
73 + 10 = ______
73 − 10 = ______
7 × 10 = ______
5 × 10 = ______
27 − 10 = ______
38 + 20 = ______
36 − 10 = ______
47 − 10 = ______
91 − 10 = ______
9 × 10 = ______
57 − 10 = ______
94 − 10 = ______
