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
92 − 10 = ______
49 − 10 = ______
59 + 20 = ______
95 − 10 = ______
2 × 10 = ______
51 + 20 = ______
7 × 10 = ______
37 − 10 = ______
66 − 10 = ______
42 − 10 = ______
1 × 10 = ______
47 + 10 = ______
47 − 10 = ______
36 + 10 = ______
15 + 10 = ______
77 − 10 = ______
55 + 20 = ______
69 + 10 = ______
63 + 10 = ______
84 + 10 = ______
