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
64 − 10 = ______
67 + 10 = ______
81 + 10 = ______
47 + 10 = ______
9 × 10 = ______
7 × 10 = ______
6 × 10 = ______
5 × 10 = ______
75 − 10 = ______
3 × 10 = ______
59 − 10 = ______
63 + 10 = ______
56 − 10 = ______
4 × 10 = ______
39 + 20 = ______
50 + 20 = ______
46 + 10 = ______
33 + 10 = ______
2 × 10 = ______
95 − 10 = ______
