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
85 − 10 = ______
7 × 10 = ______
9 × 10 = ______
57 − 10 = ______
83 + 20 = ______
65 + 10 = ______
11 + 10 = ______
2 × 10 = ______
67 + 10 = ______
30 − 10 = ______
53 + 10 = ______
29 + 10 = ______
84 − 10 = ______
19 + 10 = ______
32 − 10 = ______
97 − 10 = ______
36 − 10 = ______
20 + 20 = ______
17 + 10 = ______
54 + 10 = ______
