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
72 − 10 = ______
63 + 20 = ______
8 × 10 = ______
64 + 10 = ______
25 − 10 = ______
27 − 10 = ______
40 + 10 = ______
77 + 10 = ______
58 + 10 = ______
20 + 10 = ______
53 − 10 = ______
84 + 20 = ______
57 − 10 = ______
2 × 10 = ______
49 + 10 = ______
84 − 10 = ______
78 − 10 = ______
14 + 10 = ______
9 × 10 = ______
6 × 10 = ______
