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
31 − 10 = ______
27 + 10 = ______
86 + 20 = ______
2 × 10 = ______
3 × 10 = ______
71 + 20 = ______
24 + 10 = ______
1 × 10 = ______
76 − 10 = ______
85 + 10 = ______
18 + 20 = ______
53 − 10 = ______
65 − 10 = ______
38 + 10 = ______
26 + 20 = ______
11 + 20 = ______
6 × 10 = ______
79 + 10 = ______
95 − 10 = ______
4 × 10 = ______
