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
63 − 10 = ______
48 − 10 = ______
60 − 10 = ______
4 × 10 = ______
81 + 10 = ______
1 × 10 = ______
54 − 10 = ______
61 + 10 = ______
2 × 10 = ______
31 + 20 = ______
38 − 10 = ______
3 × 10 = ______
85 + 20 = ______
39 + 10 = ______
50 + 10 = ______
79 + 10 = ______
52 − 10 = ______
9 × 10 = ______
7 × 10 = ______
85 − 10 = ______
