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
8 × 10 = ______
31 − 10 = ______
64 − 10 = ______
13 + 20 = ______
33 − 10 = ______
45 + 10 = ______
13 + 10 = ______
38 + 20 = ______
5 × 10 = ______
86 − 10 = ______
57 − 10 = ______
54 + 10 = ______
43 + 10 = ______
2 × 10 = ______
49 − 10 = ______
34 + 10 = ______
3 × 10 = ______
4 × 10 = ______
34 − 10 = ______
16 + 10 = ______
