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
69 + 10 = ______
3 × 10 = ______
4 × 10 = ______
40 + 20 = ______
28 + 10 = ______
2 × 10 = ______
5 × 10 = ______
64 + 20 = ______
69 − 10 = ______
34 + 10 = ______
74 − 10 = ______
92 − 10 = ______
48 − 10 = ______
66 + 10 = ______
49 + 10 = ______
37 − 10 = ______
54 + 10 = ______
18 + 10 = ______
32 + 10 = ______
75 − 10 = ______
