Finding the area and arc length of sectors following Perimeter and Area where students first learn about circles. Throughout this unit on sectors students develop their algebra skills by deriving and changing the subject of the arc length and area formulae. This unit takes place in Term 3 of Year 11 for foundation students.
Home learning project teaching how to create pull up nets for 3D shapes.
How to find the area of a sector as a fraction of a full circle.
How to teach calculating 3-part ratios.