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
37 − 10 = ______
67 + 20 = ______
6 × 10 = ______
13 + 20 = ______
38 + 10 = ______
1 × 10 = ______
3 × 10 = ______
4 × 10 = ______
61 + 10 = ______
79 − 10 = ______
18 + 10 = ______
45 − 10 = ______
9 × 10 = ______
16 + 20 = ______
34 + 10 = ______
90 − 10 = ______
55 + 10 = ______
63 − 10 = ______
27 + 10 = ______
49 + 20 = ______
