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
75 − 10 = ______
2 × 10 = ______
60 + 10 = ______
75 + 10 = ______
50 − 10 = ______
6 × 10 = ______
86 + 10 = ______
3 × 10 = ______
47 + 10 = ______
44 − 10 = ______
37 − 10 = ______
56 − 10 = ______
5 × 10 = ______
4 × 10 = ______
59 + 10 = ______
82 + 20 = ______
9 × 10 = ______
29 + 10 = ______
74 − 10 = ______
7 × 10 = ______
