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
76 − 10 = ______
75 + 10 = ______
18 + 10 = ______
45 − 10 = ______
87 + 20 = ______
8 × 10 = ______
34 + 10 = ______
57 + 20 = ______
89 − 10 = ______
91 − 10 = ______
4 × 10 = ______
28 + 20 = ______
7 × 10 = ______
28 + 10 = ______
76 + 20 = ______
83 + 10 = ______
50 − 10 = ______
69 + 10 = ______
2 × 10 = ______
3 × 10 = ______
