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
79 − 10 = ______
73 + 10 = ______
53 + 10 = ______
88 + 20 = ______
55 − 10 = ______
8 × 10 = ______
20 + 10 = ______
4 × 10 = ______
25 + 10 = ______
97 − 10 = ______
46 + 20 = ______
22 + 20 = ______
33 + 10 = ______
5 × 10 = ______
16 + 10 = ______
41 − 10 = ______
59 − 10 = ______
47 + 20 = ______
9 × 10 = ______
70 + 20 = ______
