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
2 × 10 = ______
53 − 10 = ______
4 × 10 = ______
62 − 10 = ______
22 − 10 = ______
34 + 10 = ______
83 + 10 = ______
33 + 10 = ______
23 + 10 = ______
65 − 10 = ______
63 + 20 = ______
45 + 10 = ______
5 × 10 = ______
38 − 10 = ______
9 × 10 = ______
27 − 10 = ______
62 + 20 = ______
56 + 20 = ______
90 − 10 = ______
8 × 10 = ______
