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
5 × 10 = ______
28 + 10 = ______
37 + 10 = ______
22 − 10 = ______
2 × 10 = ______
83 − 10 = ______
83 + 10 = ______
78 + 10 = ______
90 − 10 = ______
85 − 10 = ______
8 × 10 = ______
31 + 20 = ______
33 − 10 = ______
27 + 20 = ______
59 + 20 = ______
57 − 10 = ______
35 − 10 = ______
62 + 20 = ______
84 + 10 = ______
1 × 10 = ______
