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
56 − 10 = ______
78 − 10 = ______
3 × 10 = ______
62 − 10 = ______
60 + 10 = ______
41 + 10 = ______
90 − 10 = ______
76 + 20 = ______
53 + 20 = ______
77 − 10 = ______
4 × 10 = ______
27 + 10 = ______
15 + 20 = ______
64 + 10 = ______
50 − 10 = ______
75 + 20 = ______
41 − 10 = ______
96 − 10 = ______
5 × 10 = ______
14 + 20 = ______
