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
7 × 10 = ______
25 + 10 = ______
2 × 10 = ______
71 − 10 = ______
25 − 10 = ______
36 − 10 = ______
8 × 10 = ______
34 − 10 = ______
45 − 10 = ______
1 × 10 = ______
20 + 10 = ______
5 × 10 = ______
31 + 10 = ______
3 × 10 = ______
46 + 10 = ______
6 × 10 = ______
59 + 10 = ______
66 − 10 = ______
34 + 20 = ______
60 + 20 = ______
