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
13 + 10 = ______
61 − 10 = ______
44 − 10 = ______
82 + 20 = ______
24 + 10 = ______
46 + 10 = ______
67 + 10 = ______
44 + 10 = ______
60 − 10 = ______
56 + 10 = ______
46 + 20 = ______
9 × 10 = ______
97 − 10 = ______
12 + 20 = ______
50 + 10 = ______
2 × 10 = ______
3 × 10 = ______
5 × 10 = ______
48 − 10 = ______
12 + 10 = ______
