These videos focus on repeated percentage change questions, and are aimed at around grade 6 GCSE maths. These questions are usually fairly straightforward, although you will need to read through thoroughly. Download a copy of the questions here: QT Repeated percentage change Here's a copy of the written answers: QT Repeated percentage change ANSWERS These types … [Read more...]

   This video is all about using the cosine rule, and is aimed at around grade 6 GCSE Maths. It’s quite likely to be a non calculator question. You need to find x after being given three sides of a triangle (x+2), (root73) and (2x-3); as well as one angle of 60 degrees. Top Tips! Always write the formula Work methodically down the page Label angles … [Read more...]

  This video is all about changing the subject of a formula, and is aimed at around grade 6 GCSE maths. The difficulty with this type of question is the requirement to factorise: Make y the subject of the formula 3(y + 2) = a(5 - 2y) These types of questions appear in all the main examination boards, including Edexcel, AQA and OCR. They are popular and, once … [Read more...]

Algebra Fractions using factorising These questions are all about how to simplify algebra fractions and are popular on non calculator GCSE maths papers. They are either straightforward ... or fairly difficult. The example in the picture shows the bottom expression as "2x squared ..." and that type of question would be considered quite challenging. Here's some videos to … [Read more...]

Algebra expressions ... are becoming quite popular with GCSE maths questions. They are usually about reducing fractions and working with indices. Top Tips! ● They are sometimes called ‘working with indices’ ● Learn the rules and try to apply them consistently ● Remember that an index of a half ... means a square root ● ...and an index of a third .... means a cube root ● … [Read more...]