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 = ______
56 − 10 = ______
73 − 10 = ______
9 × 10 = ______
63 − 10 = ______
19 + 10 = ______
2 × 10 = ______
4 × 10 = ______
12 + 20 = ______
8 × 10 = ______
5 × 10 = ______
1 × 10 = ______
73 + 10 = ______
38 − 10 = ______
6 × 10 = ______
89 + 10 = ______
35 + 10 = ______
50 + 20 = ______
26 + 20 = ______
75 − 10 = ______
