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
6 × 10 = ______
22 − 10 = ______
53 + 20 = ______
60 − 10 = ______
36 + 20 = ______
8 × 10 = ______
21 + 20 = ______
32 + 20 = ______
58 + 10 = ______
78 − 10 = ______
55 + 20 = ______
44 + 10 = ______
2 × 10 = ______
5 × 10 = ______
64 + 20 = ______
82 − 10 = ______
96 − 10 = ______
3 × 10 = ______
29 + 10 = ______
1 × 10 = ______
