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
59 − 10 = ______
77 + 10 = ______
5 × 10 = ______
31 + 20 = ______
53 + 20 = ______
7 × 10 = ______
78 + 10 = ______
27 + 20 = ______
46 + 10 = ______
8 × 10 = ______
31 + 10 = ______
66 − 10 = ______
67 + 10 = ______
60 + 20 = ______
3 × 10 = ______
42 + 10 = ______
62 − 10 = ______
1 × 10 = ______
44 − 10 = ______
85 + 10 = ______
