Here's a worksheet that gets kids thinking all about shapes and their sides to help them understand what makes a side a side.

Help your child practice his spatial perception with this printable worksheet, which asks him to translate three dimensional shapes into two dimensions.

Sometimes complicated polygons can be broken up into smaller shapes that are easier to recognize. Here's a worksheet that challenges kids to do just that.

Kids sometimes don't distinguish between a shape that's open and one that's closed. Here, kids can see the difference as they classify shapes as open or closed.