⬅ All Shapes

Octagon Shape for Kids: Sides, Corners and How to Draw It

An octagon is a flat shape with 8 straight sides and 8 corners. It has 8 straight sides and 8 corners. Below you will find its properties, how to draw it, where to spot it in real life, and a quick quiz.

Octagon

A bright octagon for little learners to explore!

Octagon at a Glance

Sides8 straight sides
Corners (vertices)8
AnglesEach angle is 135 degrees in a regular octagon (1,080 degrees in total)
Lines of symmetry8 (in a regular octagon)
Flat or solidFlat (2D)

📐 What Makes an Octagon Special?

An octagon has 8 straight sides and 8 corners. 'Octo' means eight, the same as in octopus. In a regular octagon, all the sides are the same length and each inside corner measures 135 degrees. If you cut the 4 corners off a square, you get an octagon.

🌟 Fun Facts about Octagon

How to Draw an Octagon

  1. Draw a square lightly in pencil.
  2. Cut off each corner of the square with a short slanted line.
  3. Rub out the corners you cut off. You now have 8 sides.

🔎 Where Can You Find an Octagon?

You can spot the octagon shape in everyday life, like a stop sign, an umbrella top, and a gazebo. Try going on a shape hunt around your house or classroom — how many octagons can you find today?

Common Mix-Ups

An octagon can look like a circle from far away. Count the straight sides: an octagon has 8, and a circle has none.

Quick Quiz: The Octagon

Answer each question, then tap it to check.

How many sides does an octagon have?

Eight.

Which road sign is an octagon?

The stop sign.

Which sea animal has 8 arms, just like an octagon has 8 sides?

The octopus.

Printable Practice

Practice on paper with the Shapes Tracing and Coloring worksheet and the Shapes Activity worksheet, or play the Shapes Match game.

🏫 Classroom Activity: Shape Hunt & Matching

Send children on a hunt for octagon shapes — a stop sign picture, an umbrella top, a gazebo — and gather the finds on a table. Then play a matching game: draw several shapes on cards and have kids sort out only the octagons.

🏠 Homeschool Activity

Cut the 4 corners off a paper square to reveal an 8-sided octagon, then count the sides together. It's a satisfying hands-on way to connect a familiar shape to a new one.

🔬 STEM Connection

Talk about why stop signs are octagons — their unique 8-sided shape is easy to recognize from any angle, even from behind or through snow, which helps keep drivers and pedestrians safe.

Frequently Asked Questions

How many sides does an octagon have?

An octagon has 8 straight sides.

How many corners does an octagon have?

An octagon has 8 corners.

How many lines of symmetry does an octagon have?

8 (in a regular octagon).

How do you draw an octagon?

Draw a square lightly in pencil. Cut off each corner of the square with a short slanted line. Rub out the corners you cut off. You now have 8 sides.

What is a common mistake when learning the octagon?

An octagon can look like a circle from far away. Count the straight sides: an octagon has 8, and a circle has none.

Summary

An octagon is a flat shape with 8 straight sides and 8 corners. Remember: 8 straight sides, 8 corners. Next, learn about the crescent, or see all shapes.

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