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 = ______
76 − 10 = ______
16 + 20 = ______
6 × 10 = ______
1 × 10 = ______
2 × 10 = ______
34 + 10 = ______
62 + 10 = ______
4 × 10 = ______
70 + 10 = ______
64 − 10 = ______
64 + 20 = ______
20 + 10 = ______
98 − 10 = ______
29 + 20 = ______
32 + 10 = ______
5 × 10 = ______
3 × 10 = ______
28 − 10 = ______
40 + 20 = ______
