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
24 + 10 = ______
66 + 10 = ______
6 × 10 = ______
1 × 10 = ______
96 − 10 = ______
49 − 10 = ______
67 + 20 = ______
80 − 10 = ______
41 − 10 = ______
4 × 10 = ______
38 + 20 = ______
79 + 10 = ______
72 + 10 = ______
3 × 10 = ______
49 + 10 = ______
51 + 10 = ______
50 + 10 = ______
52 + 10 = ______
2 × 10 = ______
53 − 10 = ______
