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
1 × 10 = ______
35 + 20 = ______
22 + 10 = ______
47 + 20 = ______
80 + 20 = ______
31 + 10 = ______
72 − 10 = ______
3 × 10 = ______
58 − 10 = ______
49 + 20 = ______
56 + 20 = ______
41 − 10 = ______
49 + 10 = ______
6 × 10 = ______
8 × 10 = ______
34 + 20 = ______
81 − 10 = ______
80 − 10 = ______
5 × 10 = ______
79 − 10 = ______
