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
95 − 10 = ______
6 × 10 = ______
3 × 10 = ______
88 − 10 = ______
79 + 10 = ______
43 + 20 = ______
4 × 10 = ______
89 + 20 = ______
52 + 20 = ______
1 × 10 = ______
28 + 20 = ______
8 × 10 = ______
39 + 10 = ______
52 − 10 = ______
43 − 10 = ______
53 − 10 = ______
85 − 10 = ______
35 − 10 = ______
38 + 10 = ______
78 + 10 = ______
