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
2 × 10 = ______
56 + 10 = ______
6 × 10 = ______
25 + 10 = ______
55 + 10 = ______
1 × 10 = ______
85 + 20 = ______
86 − 10 = ______
26 + 20 = ______
82 + 10 = ______
48 + 20 = ______
64 − 10 = ______
85 + 10 = ______
85 − 10 = ______
91 − 10 = ______
3 × 10 = ______
62 − 10 = ______
37 − 10 = ______
72 + 20 = ______
53 + 10 = ______
