Mr Mathematics Blog

Proving Geometrical Relationships using Algebra

Back in May 2017 maths teachers around the country eagerly awaited the first exam for the new GCSE Mathematics syllabus.  Proving geometrical relationships using algebra featured at grade 9.  In Paper 1 of Edexcel’s test paper the last question of the higher tier looked like this. Edexcel wrote about student’s performance on this question in […]

Circles, Cylinders and Circular Shapes

Circles, cylinders and circular shapes follows on from area of 2D shapes and surface area of 3D cuboids and prisms which students study in Term 2 of Year 8.  In this unit students learn how to calculate the circumference and area of circles both as decimals and in terms of π.  Learning progresses from 2D […]

Drawing Histograms with Unequal Class Widths

Higher GCSE maths students are required to plot and interpret histograms with unequal class widths.  Drawing histograms with unequal class widths are very common in GCSE maths papers. Histograms versus bar charts Histograms look like bar charts but have important differences. Histograms use a continuous horizontal scale which means the bars touch so the difference […]