We look at these to find roads and rivers and towns.
Maps
When you make a mistake with your pencil, you need this.
Rubber
These are in books and often have numbers on them at the bottom.
Page
You can play different kinds of this on a guitar or piano.
Music
This is on the classroom wall and the teacher writes on it.
Board
When you make a mistake with your pencil, you need this.
Rubber