Problems Involving the Cosine Rule

              Problems Involving the Cosine Rule

              Students learn how to use the Cosine Rule to work out an unknown length or angle in a non-right-angled triangle.

              Later, as learning progresses they solve problems involving bearings and triangles with algebraic lengths.

              View online lesson Download PowerPoint

              Mr Mathematics Blog

              Using Box Plots to Interpret Sets of Data

              How to compare datasets using box and whisker diagrams.

              Getting Ready for OFSTED: Intent, Implementation and Impact

              Mathematics curriculum intent, implementation and impact for Heads of Maths and Maths Teachers

              Promoting your Maths Department on Open Evening

              Five practical tips for promoting your mathematics department on open evening.