To recognise obtuse and acute angles

In this lesson, we will be building on our angle knowledge by introducing the terms acute and obtuse for those angles which are smaller (acute) and greater (obtuse) than right-angles. We will have time to look at these angles separately and within different shapes.

Introductory Quiz

This quiz will help you to check any previous learning on this topic, and re-cap anything you may have forgotten. Once you have completed this, click ‘Close Quiz’ and then ‘Next’ below.

Video

Play 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. Once you have finished all the tasks, click ‘Next’ below.

Final Quiz

This quiz is a great way for you to test your learning from this lesson.

If you would like to re-cap any of the lesson, or repeat any exercise, click ‘Back’ below.

Lesson Complete

You’ve now completed today’s lesson - well done!

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