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
46 + 10 = ______
82 + 20 = ______
25 + 20 = ______
2 × 10 = ______
8 × 10 = ______
5 × 10 = ______
33 + 20 = ______
45 − 10 = ______
60 − 10 = ______
7 × 10 = ______
42 − 10 = ______
52 + 20 = ______
85 + 20 = ______
9 × 10 = ______
73 + 10 = ______
64 + 10 = ______
50 − 10 = ______
11 + 20 = ______
39 + 20 = ______
20 + 20 = ______
