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
62 + 20 = ______
42 − 10 = ______
35 + 20 = ______
3 × 10 = ______
5 × 10 = ______
1 × 10 = ______
37 − 10 = ______
26 + 10 = ______
6 × 10 = ______
2 × 10 = ______
56 + 20 = ______
9 × 10 = ______
76 − 10 = ______
66 + 20 = ______
97 − 10 = ______
39 + 20 = ______
37 + 20 = ______
36 − 10 = ______
24 + 20 = ______
72 + 20 = ______
