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
50 + 10 = ______
17 + 10 = ______
6 × 10 = ______
68 + 10 = ______
76 − 10 = ______
30 + 20 = ______
84 + 20 = ______
1 × 10 = ______
45 + 10 = ______
95 − 10 = ______
7 × 10 = ______
67 + 20 = ______
28 + 10 = ______
40 + 10 = ______
65 + 10 = ______
4 × 10 = ______
8 × 10 = ______
23 − 10 = ______
70 − 10 = ______
38 + 10 = ______
