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
24 + 10 = ______
38 − 10 = ______
26 − 10 = ______
57 + 20 = ______
33 + 10 = ______
85 + 10 = ______
25 − 10 = ______
6 × 10 = ______
18 + 10 = ______
97 − 10 = ______
1 × 10 = ______
5 × 10 = ______
38 + 20 = ______
36 + 20 = ______
8 × 10 = ______
36 − 10 = ______
4 × 10 = ______
71 − 10 = ______
56 + 20 = ______
66 + 10 = ______
