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 = ______
41 + 20 = ______
55 − 10 = ______
62 + 20 = ______
2 × 10 = ______
65 + 20 = ______
67 + 20 = ______
41 − 10 = ______
52 − 10 = ______
3 × 10 = ______
46 − 10 = ______
27 + 10 = ______
73 − 10 = ______
37 + 20 = ______
53 − 10 = ______
61 − 10 = ______
50 + 10 = ______
1 × 10 = ______
75 + 20 = ______
54 + 10 = ______
