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
92 − 10 = ______
8 × 10 = ______
22 + 20 = ______
4 × 10 = ______
80 + 20 = ______
1 × 10 = ______
64 + 10 = ______
6 × 10 = ______
26 + 10 = ______
81 + 10 = ______
7 × 10 = ______
2 × 10 = ______
32 + 10 = ______
39 + 10 = ______
62 + 10 = ______
3 × 10 = ______
13 + 20 = ______
34 − 10 = ______
38 − 10 = ______
51 + 10 = ______
