Pentagon Shapes: Lesson for Kids

Instructor: Jaimee Arnold

Jaimee has worked in elementary school and has her Master's +30.

In this lesson, you will learn what a pentagon is and be able to define it with math terms. You will also be able to describe pentagons as either regular or irregular polygons.

What is a Pentagon?

A pentagon is a type of polygon that has 5 sides and 5 angles. There are many different types of polygons, but the one thing they all have in common is they are made of 5 straight lines and have 5 angles and corners. They can be any size with the same size sides or all different sizes as long as the sides all connect to make a closed shape. Look at the illustration for some examples of what a pentagon can look like.

Picture of Pentagons

Math Vocabulary

Pentagon: A polygon (shape) that has 5 sides and 5 angles. It must be made up of straight lines and be a closed (no openings) figure.

Irregular Pentagon: A pentagon that has sides of different length.

Regular Pentagon: A pentagon that has sides and angles that are all the same. The diagram shows examples of each type of pentagon.

Regular and irregular pentagons

Connecting to Real Life

You might be wondering how you can draw a pentagon. The simplest way to draw the actual shape is to think of a house. The roof can be two slanted sides and the other 3 sides will make up the walls and floor of a house. Take a look at the example in the picture. Remember, a pentagon can look many different ways, but the simplest way to draw one, is just to remember what a house looks like.

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