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
11 + 10 = ______
99 − 10 = ______
2 × 10 = ______
19 + 20 = ______
41 + 20 = ______
5 × 10 = ______
77 − 10 = ______
82 + 20 = ______
42 + 20 = ______
7 × 10 = ______
4 × 10 = ______
32 + 20 = ______
25 − 10 = ______
60 + 10 = ______
37 + 20 = ______
20 + 10 = ______
9 × 10 = ______
27 + 10 = ______
3 × 10 = ______
18 + 20 = ______
