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
16 + 10 = ______
24 − 10 = ______
2 × 10 = ______
1 × 10 = ______
93 − 10 = ______
81 + 20 = ______
22 + 10 = ______
3 × 10 = ______
5 × 10 = ______
4 × 10 = ______
77 − 10 = ______
47 + 20 = ______
28 − 10 = ______
44 − 10 = ______
37 − 10 = ______
73 + 20 = ______
47 + 10 = ______
83 + 10 = ______
6 × 10 = ______
16 + 20 = ______
