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
16 + 10 = ______
8 × 10 = ______
9 × 10 = ______
44 + 20 = ______
69 + 10 = ______
39 − 10 = ______
28 − 10 = ______
4 × 10 = ______
50 + 20 = ______
83 + 10 = ______
2 × 10 = ______
68 + 10 = ______
40 − 10 = ______
25 − 10 = ______
6 × 10 = ______
78 + 10 = ______
3 × 10 = ______
20 + 20 = ______
15 + 10 = ______
23 + 10 = ______
