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
88 + 10 = ______
14 + 20 = ______
15 + 10 = ______
79 + 20 = ______
33 + 20 = ______
5 × 10 = ______
75 − 10 = ______
2 × 10 = ______
65 + 10 = ______
76 + 10 = ______
72 + 10 = ______
9 × 10 = ______
34 − 10 = ______
27 − 10 = ______
65 − 10 = ______
39 − 10 = ______
72 − 10 = ______
60 − 10 = ______
1 × 10 = ______
20 + 10 = ______
