In constructions and scale drawings students learn how to construct triangles and elevation drawings to scale. As learning progresses they explore how to bisect lines and angles as in introduction to Constructing Loci at GCSE. Later, students solve problems involving bearings using scale drawings. This topic takes place in Term 5 of Year 8.
Geometry and measures
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.