Here's a geometry challenge for your first grader that puts his counting skills to work: can he count the number of sides each shape has?

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

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.

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.

Boost geometry knowledge and enhance creativity with this fun math worksheet.

Children will use just seven shapes to create a ghost ship, a spider, and other Halloween pictures in this holiday-themed math worksheet.