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
2 × 10 = ______
47 + 10 = ______
80 − 10 = ______
25 + 10 = ______
67 − 10 = ______
9 × 10 = ______
79 + 10 = ______
19 + 20 = ______
73 − 10 = ______
35 + 10 = ______
54 − 10 = ______
47 − 10 = ______
65 + 20 = ______
14 + 20 = ______
22 − 10 = ______
7 × 10 = ______
15 + 10 = ______
57 − 10 = ______
11 + 20 = ______
80 + 10 = ______
