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
68 + 10 = ______
3 × 10 = ______
78 − 10 = ______
2 × 10 = ______
82 + 10 = ______
5 × 10 = ______
1 × 10 = ______
25 + 20 = ______
68 + 20 = ______
41 + 10 = ______
50 − 10 = ______
9 × 10 = ______
47 − 10 = ______
57 + 10 = ______
67 − 10 = ______
50 + 10 = ______
7 × 10 = ______
80 + 20 = ______
4 × 10 = ______
37 − 10 = ______
