This video is all about finding the missing angle in a regular polygon, and is aimed at around grade 5 GCSE maths. These types of questions appear in all the main examination boards, including Edexcel, AQA and OCR. They are popular and, once you have the basic principles, fairly similar. Please do stop the video, try the question and compare your solution. PQ, … [Read more...]
Speed Distance Time – mid level GCSE mathematics questions
Speed Distance Time These questions are very popular on GCSE maths papers, particularly foundation level, as they are 'functional' or 'real life.' Most of the problems deal with train or car journeys and might involve a stop half way through - usually something along the lines of a trip to see a friend, lunch and then a drive home. Typical questions involve working out the … [Read more...]
GCSE advanced level – Equation of a line on a graph using y = mx + c
Equation of a line These questions tend to be fairly popular - and are usually presented either as a calculation, or by plotting on a graph yourself. You might also be asked to find some information by reading the graph, or calculate some additional coordinates. To describe a straight line you only need to know two things - How steep it is - the 'gradient.' There's a … [Read more...]
Linear equations with fractions – mid-level GCSE maths
Linear equations with fractions are becoming more popular on High School maths papers ... and tend to be worth high marks. This post is really for the higher level questions that involve fractions, although here's a couple of additional posts that also might be of interest: 3 Minute Maths; Solving Linear Equations How to solve linear equations with video examples How … [Read more...]
Expand brackets and simplify – mid-level GCSE maths algebra
'Expand brackets and simplify' are very common GCSE algebra questions ... and tend to be worth a few marks in most exam papers. The principles are fairly similar and, once you've decided on a method, it's better to continue to practice that. Bracketed terms are used frequently in maths, to describe solving quadratic or cubic functions, and can be useful in working with the … [Read more...]