In this lesson, learners will be able to identify:
- angles at a point and 1 whole turn (total 360°)
- angles at a point on a straight line and half a turn (total 180°)
- other multiples of 90°
- use the properties of rectangles to deduce related facts and find missing lengths and angles
- distinguish between regular and irregular polygons based on reasoning about equal sides and angles
Lesson can be used as whole class teaching by teachers and at home by learners.
Lots of drag and drop activity with instant feedback.
To access online choose the multiscreen.html file.
To access offline choose the swf file.