Find sum of interior angles, size of each interior angle, size of each exterior angle for polygons

This is an activity that will challenge all children in a class. Suitable for Years 5-8 (depending on ability).

To complete this activity children will need to:

- recall the number of sides for polygons down to a dodecagon
- use algebra to calculate the sum of the interior angles for each shape
- find the size of each interior angle using logic (division)
- calculate the size of each exterior angle (180 - interior angle = exterior angle)

This will get the room buzzing and you'll see your children using many skills during the same lesson.

I have colour banded the activity four ways:
-Blue (easiest)
-White (Middle)
- Green (challenging)
- Purple (Mastery)

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