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
48 + 10 = ______
87 + 10 = ______
68 + 10 = ______
8 × 10 = ______
33 − 10 = ______
9 × 10 = ______
48 − 10 = ______
66 + 20 = ______
47 + 20 = ______
77 + 10 = ______
22 + 10 = ______
22 + 20 = ______
3 × 10 = ______
2 × 10 = ______
4 × 10 = ______
79 + 10 = ______
67 − 10 = ______
1 × 10 = ______
59 + 10 = ______
46 + 20 = ______
