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
4 × 10 = ______
24 − 10 = ______
31 + 10 = ______
46 − 10 = ______
47 + 10 = ______
30 − 10 = ______
2 × 10 = ______
59 − 10 = ______
9 × 10 = ______
89 − 10 = ______
5 × 10 = ______
85 + 20 = ______
81 − 10 = ______
7 × 10 = ______
84 + 10 = ______
73 − 10 = ______
28 − 10 = ______
42 − 10 = ______
37 + 10 = ______
24 + 20 = ______
