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
32 − 10 = ______
49 − 10 = ______
4 × 10 = ______
74 − 10 = ______
69 + 10 = ______
31 + 10 = ______
60 − 10 = ______
67 − 10 = ______
89 + 10 = ______
3 × 10 = ______
72 + 20 = ______
74 + 10 = ______
34 + 20 = ______
2 × 10 = ______
61 + 20 = ______
82 + 10 = ______
80 + 20 = ______
62 − 10 = ______
8 × 10 = ______
79 + 10 = ______
