A vertical line goes up and down ... Well run you two. Oh, here we go. You drawing your own lines now, are you? Come on don't be a sore loser. Perpendicular lines cross at right angles.

This fun and easy chalk drawing is the perfect way for beginners to experiment with a new material! Use our easy chalk ...

We can draw straight lines using a ruler. To position a ruler accurately, place the point that says 0 at the start of the line you are measuring. With the ruler placed carefully on the line ...