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 = ______
80 − 10 = ______
26 − 10 = ______
17 + 10 = ______
6 × 10 = ______
95 − 10 = ______
5 × 10 = ______
2 × 10 = ______
4 × 10 = ______
85 − 10 = ______
77 − 10 = ______
69 + 20 = ______
7 × 10 = ______
71 + 10 = ______
33 + 20 = ______
52 − 10 = ______
48 + 20 = ______
80 + 20 = ______
3 × 10 = ______
76 + 10 = ______
