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
69 − 10 = ______
94 − 10 = ______
82 + 10 = ______
5 × 10 = ______
25 + 10 = ______
36 + 10 = ______
3 × 10 = ______
7 × 10 = ______
4 × 10 = ______
59 + 20 = ______
50 − 10 = ______
60 + 20 = ______
25 + 20 = ______
2 × 10 = ______
8 × 10 = ______
24 + 10 = ______
21 + 10 = ______
33 − 10 = ______
71 − 10 = ______
64 − 10 = ______
