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
6 × 10 = ______
85 − 10 = ______
33 − 10 = ______
37 − 10 = ______
50 − 10 = ______
54 − 10 = ______
4 × 10 = ______
56 + 10 = ______
3 × 10 = ______
23 − 10 = ______
32 − 10 = ______
39 + 10 = ______
26 + 10 = ______
19 + 10 = ______
65 + 10 = ______
55 + 10 = ______
1 × 10 = ______
80 + 10 = ______
62 + 10 = ______
50 + 20 = ______
