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
70 − 10 = ______
54 + 20 = ______
1 × 10 = ______
75 + 20 = ______
80 − 10 = ______
71 − 10 = ______
85 − 10 = ______
15 + 20 = ______
62 + 10 = ______
3 × 10 = ______
97 − 10 = ______
6 × 10 = ______
43 + 20 = ______
11 + 10 = ______
32 + 10 = ______
84 + 10 = ______
93 − 10 = ______
34 + 20 = ______
14 + 20 = ______
65 − 10 = ______
