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 = ______
22 + 10 = ______
56 − 10 = ______
24 + 10 = ______
9 × 10 = ______
72 + 20 = ______
57 − 10 = ______
80 − 10 = ______
46 + 20 = ______
58 + 10 = ______
70 − 10 = ______
39 + 10 = ______
13 + 20 = ______
5 × 10 = ______
2 × 10 = ______
59 + 20 = ______
89 − 10 = ______
94 − 10 = ______
62 + 10 = ______
6 × 10 = ______
