Students learn how to construct triangles to scale using a pair of compasses and protractor. As learning progresses they construct angle and line bisectors using a pair of compasses. Finally, students apply this knowledge to solve problems involving loci about a point and line. This unit takes place in Year 10 Term 2.
How to introduce the sin, cos and tan trigonometric identities.
How to teach calculating the original amount after a percentage change.
The importance of the range when comparing comparing datasets.