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
7 × 10 = ______
5 × 10 = ______
25 + 10 = ______
80 + 10 = ______
3 × 10 = ______
39 + 10 = ______
1 × 10 = ______
30 − 10 = ______
62 + 10 = ______
59 − 10 = ______
32 + 10 = ______
36 − 10 = ______
46 − 10 = ______
57 − 10 = ______
17 + 10 = ______
75 + 10 = ______
4 × 10 = ______
18 + 10 = ______
65 + 10 = ______
75 − 10 = ______
