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
55 + 10 = ______
7 × 10 = ______
6 × 10 = ______
47 + 10 = ______
60 + 10 = ______
3 × 10 = ______
1 × 10 = ______
27 + 10 = ______
25 + 20 = ______
73 − 10 = ______
78 + 20 = ______
29 − 10 = ______
4 × 10 = ______
89 − 10 = ______
33 − 10 = ______
51 + 10 = ______
53 − 10 = ______
32 + 10 = ______
35 + 10 = ______
2 × 10 = ______
