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
7 × 10 = ______
16 + 20 = ______
62 − 10 = ______
53 + 20 = ______
57 − 10 = ______
30 − 10 = ______
77 + 10 = ______
47 − 10 = ______
6 × 10 = ______
1 × 10 = ______
4 × 10 = ______
2 × 10 = ______
75 − 10 = ______
30 + 20 = ______
8 × 10 = ______
3 × 10 = ______
5 × 10 = ______
67 − 10 = ______
29 + 10 = ______
32 + 20 = ______
