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
80 − 10 = ______
50 + 10 = ______
2 × 10 = ______
19 + 10 = ______
38 + 20 = ______
3 × 10 = ______
46 + 10 = ______
53 − 10 = ______
47 − 10 = ______
66 + 20 = ______
67 − 10 = ______
22 + 10 = ______
19 + 20 = ______
4 × 10 = ______
73 + 10 = ______
94 − 10 = ______
9 × 10 = ______
66 − 10 = ______
44 + 10 = ______
8 × 10 = ______
