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
5 × 10 = ______
34 + 10 = ______
87 − 10 = ______
31 − 10 = ______
1 × 10 = ______
6 × 10 = ______
52 + 10 = ______
66 + 10 = ______
33 − 10 = ______
48 − 10 = ______
7 × 10 = ______
39 − 10 = ______
62 + 10 = ______
81 + 10 = ______
79 − 10 = ______
57 − 10 = ______
27 − 10 = ______
32 + 10 = ______
19 + 10 = ______
4 × 10 = ______
