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
75 + 10 = ______
52 + 10 = ______
59 − 10 = ______
45 − 10 = ______
96 − 10 = ______
5 × 10 = ______
3 × 10 = ______
77 + 10 = ______
8 × 10 = ______
62 − 10 = ______
88 + 20 = ______
82 − 10 = ______
17 + 10 = ______
6 × 10 = ______
68 + 10 = ______
4 × 10 = ______
68 − 10 = ______
15 + 20 = ______
25 − 10 = ______
40 + 20 = ______
