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
50 + 10 = ______
95 − 10 = ______
88 + 20 = ______
66 + 10 = ______
23 + 10 = ______
49 − 10 = ______
8 × 10 = ______
33 + 10 = ______
89 + 10 = ______
16 + 10 = ______
4 × 10 = ______
31 − 10 = ______
3 × 10 = ______
15 + 10 = ______
18 + 20 = ______
58 + 10 = ______
37 − 10 = ______
1 × 10 = ______
38 + 10 = ______
22 − 10 = ______
