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
73 − 10 = ______
45 − 10 = ______
17 + 10 = ______
46 − 10 = ______
87 − 10 = ______
8 × 10 = ______
34 + 10 = ______
67 + 20 = ______
46 + 20 = ______
13 + 10 = ______
25 + 10 = ______
91 − 10 = ______
88 − 10 = ______
1 × 10 = ______
3 × 10 = ______
15 + 10 = ______
24 − 10 = ______
44 + 20 = ______
82 − 10 = ______
61 + 10 = ______
