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 + 10 = ______
80 − 10 = ______
63 + 10 = ______
32 + 10 = ______
29 + 10 = ______
18 + 10 = ______
59 − 10 = ______
11 + 10 = ______
58 + 20 = ______
9 × 10 = ______
51 + 10 = ______
35 + 20 = ______
43 − 10 = ______
27 − 10 = ______
55 + 20 = ______
66 + 10 = ______
47 − 10 = ______
84 − 10 = ______
85 − 10 = ______
4 × 10 = ______
