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
44 + 10 = ______
1 × 10 = ______
33 + 10 = ______
24 − 10 = ______
54 + 20 = ______
59 + 20 = ______
65 + 20 = ______
53 + 10 = ______
70 + 10 = ______
48 + 10 = ______
8 × 10 = ______
28 + 10 = ______
47 − 10 = ______
5 × 10 = ______
66 − 10 = ______
31 − 10 = ______
2 × 10 = ______
87 + 20 = ______
96 − 10 = ______
3 × 10 = ______
