Simply Maths Triangular numbers are a sequence of numbers that can be represented as equilateral triangles. The nth triangular number is...

AS P1 June 2016 Q13 Part of a series looking at past AQA AS-level Chemistry questions. If you haven't gone through the question/paper,...

Exams can be a stressful and anxiety-provoking time for many students. The pressure to perform well and the fear of failing can take a...

Here we look at a great way to construct/sketch a straight line graph that requires just two points. The two-point gradient and...

How Many Significant Figures? A question that caused all sorts of problems for me in my younger days. It seems that others have similar...

Circle Theorem Revision

The formula ​y​ = ​mx​ + ​c​ represents a linear equation that plots a straight line on a graph. The y and x represent the axes, m the...

There are several ways to find the equation for a quadratic sequence - I have found the following to be the best. Quadratic sequences...

In ‘trial & improvement’ questions, there are steps you can use to guarantee full marks. The idea is to gradually zero in on a reasonable...