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 = ______
32 + 10 = ______
46 + 10 = ______
46 − 10 = ______
82 − 10 = ______
87 + 10 = ______
7 × 10 = ______
4 × 10 = ______
9 × 10 = ______
71 − 10 = ______
17 + 20 = ______
72 + 10 = ______
31 + 10 = ______
69 + 10 = ______
5 × 10 = ______
3 × 10 = ______
63 + 20 = ______
29 − 10 = ______
98 − 10 = ______
76 − 10 = ______
