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
73 + 10 = ______
5 × 10 = ______
39 + 20 = ______
84 + 10 = ______
21 − 10 = ______
7 × 10 = ______
60 − 10 = ______
62 + 20 = ______
70 + 10 = ______
26 − 10 = ______
79 − 10 = ______
40 + 20 = ______
33 + 20 = ______
57 + 20 = ______
53 − 10 = ______
65 − 10 = ______
27 + 10 = ______
6 × 10 = ______
3 × 10 = ______
53 + 10 = ______
