Solving inequalities seems to be a favourite maths GCSE question ... although it's fairly useless in real life. Even though we do tend to think in inequalities (see top tips) .... I haven't really come across a great application. It's good practice for linear equation solving - and can look interesting on a whiteboard - but that's about it. Sorry. Unless you know any … [Read more...]

Here's a few videos on how to work with a probability tree diagram that I hope might be useful. They've always been fairly popular on GCSE mathematics and generally fall into 2 types of questions: 'with' and 'without' replacement. The 'with' tend to be entirely unrelated events, such as badminton and tennis games. The 'without' are usually sweets or marbles taken out of … [Read more...]

Compound interest using a formula questions are fairly popular on GCSE mathematics papers, usually around question 10, in the middle of the paper.  They are classified as 'functional maths,' meaning that you might use this type of calculation in real life. Even if you can't get a 4% compound interest rate :-) This particular question is around GCSE grade 4 - 5 (B in old … [Read more...]

Here's a few videos on finding a missing angle, that I hope might be useful. They are becoming a little more popular on GCSE mathematics as you need to demonstrate a clear, logical method. The questions aren't always that straightforward and here's some practice questions to try, before watching the videos: Download the finding the missing angle quick test questions … [Read more...]

GCSE mathematics questions on how to work out reverse percentages appear on many exam papers and you can download the questions from here. They can be a little challenging and please do practice all of the problems - here's the link to the answers. The main things to remember when you are asked how to work out reverse questions are: - Work out the value in its equivalent … [Read more...]