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
96 − 10 = ______
32 + 10 = ______
87 + 10 = ______
34 − 10 = ______
11 + 20 = ______
68 + 20 = ______
31 + 20 = ______
32 + 20 = ______
9 × 10 = ______
6 × 10 = ______
85 − 10 = ______
2 × 10 = ______
34 + 20 = ______
37 − 10 = ______
91 − 10 = ______
28 + 10 = ______
64 + 20 = ______
7 × 10 = ______
50 + 10 = ______
81 + 10 = ______
