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
41 − 10 = ______
34 + 10 = ______
85 + 10 = ______
27 − 10 = ______
9 × 10 = ______
47 + 10 = ______
3 × 10 = ______
61 + 20 = ______
7 × 10 = ______
44 + 20 = ______
72 + 20 = ______
24 − 10 = ______
52 − 10 = ______
28 − 10 = ______
79 − 10 = ______
64 − 10 = ______
1 × 10 = ______
30 + 20 = ______
4 × 10 = ______
30 − 10 = ______
