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

Students explore the relationships between the side lengths and angle measures of triangles in this seventh-grade geometry worksheet!

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?

Use this glossary with the EL Support Lesson Plan: Sides, Corners, and More, Oh My!

In this 3rd grade geometry worksheet, your child will practice identifying this five-sided polygon as he colors in all the pentagons on the page.

Use these vocabulary cards with the EL Support Lesson Plan: Sides, Corners, and More, Oh My!

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.

Calculate the area of four-sided shapes in this seventh-grade math worksheet!

In this geometry exercise, children calculate the perimeter of various trapezoids by adding up the lengths of their sides.

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.

How many sides does a pentagon have? Introduce your young student to shapes and beginning geometry concepts with this fun coloring sheet.

Pentagons are easy to spot—if you know what to look for! Help your students develop an understanding of this five-sided polygon and practice 2-D shape identification with this great geometry resource!

Trapezoids are quadrilaterals with only one pair of parallel sides. This worksheet will help your students learn to identify and distinguish trapezoids from other two-dimensional shapes with the help of a word bank.

Hexagons are hiding in plain sight throughout this worksheet—all you need to do is count the sides of each shape to identify them! This is a great geometry activity to help your students practice identifying and differentiating between 2-D shapes.

This math worksheet calls on students to examine the objects in their environment, measure them, and calculate the surface area in centimeters or inches.

Give students practice composing and constructing geometric shapes with this seventh-grade geometry worksheet!

Hexagons make for funny faces! Help your students develop an understanding of this 2-D shape by differentiating them from other shapes and then turning them into silly hexagonal faces.

Help students hone their geometry skills with this seventh-grade math worksheet all about creating triangles given specific information.