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
4 × 10 = ______
82 − 10 = ______
9 × 10 = ______
45 + 10 = ______
46 + 20 = ______
65 + 20 = ______
53 − 10 = ______
69 − 10 = ______
55 + 10 = ______
3 × 10 = ______
77 − 10 = ______
1 × 10 = ______
84 + 10 = ______
19 + 10 = ______
66 + 10 = ______
73 − 10 = ______
2 × 10 = ______
87 + 10 = ______
87 − 10 = ______
42 + 10 = ______
