The document provides an exercise to improve attention and concentration. It contains a grid with the letters M and N in random order. The goal is to count the number of M's in the grid. The exercise was created by Lorena Díez González and published on her blog lacasitadelalogopedia.

1. Ejercicios de atención y concentración
Rodea la letra: M
M
N
N
M
M
N
M
N
N
N
M
N
N
M
N
M
M
M
M
N
M
M
M
N
M
N
N
¿Cuántas hay?
M
M
M
M
N
M
N
M
M
N
M
N
M
N
M
N
N
N
N
N
N
N
N
M
N
N
N
M
N
N
N
M
M
M
N
N
N
N
M
N
M
M
M
M
M
N
N
M
M
M
N
N
M
M
Autora: Lorena Díez González
lacasitadelalogopedia@blospot.com.es
N
M
M
M
N
N
N
M
N
M
N
M
N
N
N
N
N
N
M
M
N
N
N
N
N
N
M
M
N
N
M
M
N
N
N
N
N
M
N
N
M
N
N
N
N
M
N
M
N
N
M
M
M
M
N
N
N
M
N
N
M
M
M
M
M
M
M
N
M
N
N
N
N
N
N
N
N
N
N
M
N
M
N
M
N
N
M
N
N
M
N
N
N
N
N
M
M
M
M
N
N
N
M
M
M
N
N
M
N
M
N
N
M
M
M
N
M
N
N
M
N
M
N
N
N
M
M
N
M
N
M
N
M
N
N

2. Ejercicios de atención y concentración
Autora: Lorena Díez González
lacasitadelalogopedia@blospot.com.es