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
6 × 10 = ______
62 − 10 = ______
40 + 10 = ______
35 + 10 = ______
89 + 10 = ______
64 − 10 = ______
65 − 10 = ______
36 + 20 = ______
43 + 20 = ______
9 × 10 = ______
56 − 10 = ______
47 + 10 = ______
39 − 10 = ______
30 − 10 = ______
29 + 20 = ______
36 + 10 = ______
62 + 10 = ______
55 + 10 = ______
1 × 10 = ______
22 + 10 = ______
