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
89 + 20 = ______
54 − 10 = ______
26 + 10 = ______
53 + 10 = ______
9 × 10 = ______
25 − 10 = ______
2 × 10 = ______
62 − 10 = ______
32 − 10 = ______
41 − 10 = ______
50 + 10 = ______
4 × 10 = ______
8 × 10 = ______
11 + 20 = ______
64 + 20 = ______
43 + 20 = ______
18 + 10 = ______
6 × 10 = ______
56 + 10 = ______
29 + 20 = ______
