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
53 + 10 = ______
4 × 10 = ______
67 + 20 = ______
7 × 10 = ______
50 + 20 = ______
60 − 10 = ______
1 × 10 = ______
24 + 20 = ______
19 + 10 = ______
70 − 10 = ______
89 + 10 = ______
57 + 10 = ______
44 − 10 = ______
9 × 10 = ______
58 − 10 = ______
54 − 10 = ______
39 − 10 = ______
72 + 20 = ______
65 − 10 = ______
25 + 10 = ______
