Miter Saw Cut
You will need a pencil,peice of wood you want to cut,tape mesure,and speed square.
Measure Wood to Desire Length
Once you measure it to the length you want draw a little line on the piece of wood.
Speed Square
Take the speed square and draw a full line cross the board.
Example
This is what it should look like.
Saftey
Before you cut always wear saftey googles and ask the teacher before using the saw.
Cutting
Put a X on the piece you DO NOT WANT.Cut on the opposite side of the piece you want and cut about a little bit away from the line.