Area of a circle

A complete lesson (or maybe two) for introducing the area rule of a circle.

Activities included:

Starter:
A mini-investigation where pupils estimate the area of circles on a grid.

Main:

• Quickfire questions to use with mini whiteboards.
• A worksheet of standard questions with a progression in difficulty.
• A set of three challenging problems in context, possibly to work on in pairs.

Plenary:
Link to a short video that ‘proves’ the area rule very nicely.

Printable worksheets and answers included.

Please review it if you buy as any feedback is appreciated!