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 = ______
87 − 10 = ______
84 − 10 = ______
38 − 10 = ______
62 + 10 = ______
7 × 10 = ______
96 − 10 = ______
66 − 10 = ______
4 × 10 = ______
3 × 10 = ______
98 − 10 = ______
29 − 10 = ______
52 − 10 = ______
72 − 10 = ______
59 + 10 = ______
73 + 20 = ______
38 + 20 = ______
5 × 10 = ______
74 + 10 = ______
82 + 20 = ______
