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
7 × 10 = ______
32 − 10 = ______
1 × 10 = ______
30 + 20 = ______
4 × 10 = ______
84 + 10 = ______
49 + 20 = ______
19 + 10 = ______
6 × 10 = ______
68 − 10 = ______
67 + 20 = ______
28 + 10 = ______
36 + 20 = ______
62 + 20 = ______
43 + 10 = ______
35 − 10 = ______
13 + 10 = ______
3 × 10 = ______
34 − 10 = ______
83 + 10 = ______
