How many sides does a triangle have? Three! Sort shapes that have three sides and shapes that don't have three sides with this wacky worksheet.

Is it a square? Is it a triangle? This cut and paste worksheet will help your child categorize quadrilaterals, which are four-sided shapes.

Practice coloring in the square shapes and the number 4 that make up this mandala. This is a fun and easy way to remember that a square is four-sided!

Have a blast coloring in this mandala made up of triangles and the number 3. This is a great way to remember that a triangle has three sides.

Have fun coloring this mandala that is made up of pentagons featuring the number 5! This is a great way to remember that a pentagon has 5 sides.