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
1 × 10 = ______
45 + 10 = ______
6 × 10 = ______
60 − 10 = ______
15 + 10 = ______
8 × 10 = ______
56 + 10 = ______
13 + 20 = ______
3 × 10 = ______
2 × 10 = ______
54 + 20 = ______
23 − 10 = ______
37 + 20 = ______
68 + 10 = ______
26 − 10 = ______
53 + 10 = ______
9 × 10 = ______
5 × 10 = ______
16 + 10 = ______
81 − 10 = ______
