Sail through geometry practice with this third-grade worksheet all about finding the perimeter of triangles!

Is your child in need of a geometry review? This worksheet covers the basic 2-D shapes, from circles and triangles to pentagons and hexagons.

Use this resource to help your students develop their understanding of trapezoids and other two-dimensional shapes. Students will compare the attributes of trapezoids to those of other plane figures, such as triangles and ovals, in this geometry activity.

Give your students a chance to sort polygons into categories that make sense to them.

Become a polygon polymath as you find the perimeter of all different kinds of shapes!