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 = ______
88 + 20 = ______
62 − 10 = ______
9 × 10 = ______
60 + 10 = ______
82 + 10 = ______
3 × 10 = ______
31 + 10 = ______
5 × 10 = ______
74 + 20 = ______
46 − 10 = ______
8 × 10 = ______
41 − 10 = ______
12 + 10 = ______
61 + 10 = ______
62 + 10 = ______
20 + 20 = ______
90 − 10 = ______
1 × 10 = ______
79 + 10 = ______
