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
1 × 10 = ______
22 + 10 = ______
88 + 10 = ______
19 + 10 = ______
53 + 10 = ______
9 × 10 = ______
68 − 10 = ______
78 + 10 = ______
65 − 10 = ______
36 − 10 = ______
63 + 10 = ______
39 + 10 = ______
84 − 10 = ______
54 − 10 = ______
70 − 10 = ______
39 − 10 = ______
28 − 10 = ______
3 × 10 = ______
4 × 10 = ______
62 − 10 = ______
