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 = ______
23 + 10 = ______
89 − 10 = ______
30 + 10 = ______
53 + 20 = ______
58 − 10 = ______
5 × 10 = ______
63 − 10 = ______
14 + 20 = ______
72 − 10 = ______
65 − 10 = ______
53 − 10 = ______
45 + 20 = ______
98 − 10 = ______
65 + 10 = ______
4 × 10 = ______
77 − 10 = ______
67 + 10 = ______
73 + 10 = ______
15 + 10 = ______
