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
54 − 10 = ______
2 × 10 = ______
3 × 10 = ______
57 + 20 = ______
72 + 10 = ______
25 + 10 = ______
5 × 10 = ______
38 + 10 = ______
84 − 10 = ______
43 + 10 = ______
66 + 10 = ______
1 × 10 = ______
4 × 10 = ______
84 + 10 = ______
66 + 20 = ______
9 × 10 = ______
46 − 10 = ______
19 + 20 = ______
8 × 10 = ______
73 − 10 = ______
