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 = ______
58 + 20 = ______
60 − 10 = ______
37 + 10 = ______
36 + 20 = ______
74 − 10 = ______
68 − 10 = ______
11 + 10 = ______
2 × 10 = ______
63 − 10 = ______
22 + 10 = ______
70 + 10 = ______
54 − 10 = ______
57 − 10 = ______
53 − 10 = ______
1 × 10 = ______
85 + 10 = ______
62 + 10 = ______
25 + 20 = ______
55 + 20 = ______
