# 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.

# Video

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# 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.

# Lesson summary: To recognise obtuse and acute angles

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The next lesson in Angles and shape is "To revise angles"