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
22 − 10 = ______
5 × 10 = ______
8 × 10 = ______
30 − 10 = ______
62 + 20 = ______
4 × 10 = ______
35 − 10 = ______
53 + 10 = ______
79 − 10 = ______
52 + 20 = ______
53 + 20 = ______
27 + 20 = ______
76 − 10 = ______
36 + 20 = ______
38 + 20 = ______
47 + 20 = ______
9 × 10 = ______
84 − 10 = ______
24 + 10 = ______
95 − 10 = ______
