Zoom the screen so the quarter sitting on the ruler is the right
size. Now, Hold or tape a piece of paper to the screen so one edge
lines up with the top edge of the ruler. Look through the paper to
trace the lines and numbers on the ruler to your paper. Now cut out
your ruler!
On your own or with a friend, find the objects you see above in your class and measure them with your new ruler. Write down your answers before checking on the next page.