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
31 − 10 = ______
80 + 10 = ______
50 + 10 = ______
17 + 20 = ______
9 × 10 = ______
6 × 10 = ______
52 + 20 = ______
5 × 10 = ______
30 − 10 = ______
63 + 10 = ______
65 − 10 = ______
8 × 10 = ______
13 + 20 = ______
2 × 10 = ______
86 + 10 = ______
74 + 20 = ______
59 − 10 = ______
72 − 10 = ______
31 + 20 = ______
15 + 10 = ______
