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
35 + 10 = ______
1 × 10 = ______
2 × 10 = ______
70 + 20 = ______
33 + 20 = ______
4 × 10 = ______
36 + 10 = ______
49 + 10 = ______
53 + 10 = ______
88 − 10 = ______
9 × 10 = ______
32 − 10 = ______
15 + 20 = ______
90 − 10 = ______
85 − 10 = ______
31 + 20 = ______
7 × 10 = ______
51 + 20 = ______
36 + 20 = ______
28 − 10 = ______
