# 2D and 3D shape: To identify regular and irregular polygons by reasoning about equal sides and angles

Today, we will think about regular and irregular polygons and identify the number of sides and angles that make up the shape.

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

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Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

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# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

Quiz:

# To identify regular and irregular polygons

Exit quiz: List the letters of the shapes for which each statement is true.

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Quiz:

# To identify regular and irregular polygons

Exit quiz: List the letters of the shapes for which each statement is true.

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# Lesson summary: 2D and 3D shape: To identify regular and irregular polygons by reasoning about equal sides and angles

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