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
47 + 10 = ______
1 × 10 = ______
7 × 10 = ______
5 × 10 = ______
28 − 10 = ______
97 − 10 = ______
8 × 10 = ______
37 + 20 = ______
19 + 10 = ______
44 − 10 = ______
42 − 10 = ______
62 + 10 = ______
3 × 10 = ______
66 + 20 = ______
72 − 10 = ______
53 − 10 = ______
65 + 20 = ______
6 × 10 = ______
39 + 10 = ______
66 − 10 = ______
