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
95 − 10 = ______
5 × 10 = ______
28 + 10 = ______
74 − 10 = ______
3 × 10 = ______
65 + 10 = ______
77 + 10 = ______
20 + 10 = ______
27 − 10 = ______
33 + 10 = ______
89 + 20 = ______
4 × 10 = ______
66 − 10 = ______
9 × 10 = ______
6 × 10 = ______
44 − 10 = ______
2 × 10 = ______
11 + 20 = ______
50 − 10 = ______
69 + 20 = ______
