What are the chances of reading a post on percentages? This series of 3 minute math is designed as a quick reminder for some of the main topics. I hope they help to provide a focus and a way forward. If you need any more detail please search the site or contact me – always pleased to answer any questions! All the very best with your studies. Where do you find … [Read more...]

How to calculate density can be very important in design and construction.. Density is measured by how much something weighs for a fixed volume, usually a 1cm cube. It's a measurement that compares different materials of the same size. Download the quick test density questions   This is a grade 5 GCSE question: "An 8cm solid hexagonal prism has a cross-section … [Read more...]

Stratified sampling is all about using a smaller sample to collect data .. and then using the information to make conclusions about the whole population. It's usually cheaper and quicker - so, if you want to find out how many students, in a high school,  like football - you can just ask a few and decide the outcome. That's the theory... but there is a bit of a problem. … [Read more...]

Download a copy of the questions here: QT Simultaneous Linear Equations Download a copy of the answers: QT Simultaneous Linear Equations ANSWERS These videos show how to solve simultaneous linear equations in steps. The first video should be relatively straightforward as it only deals with positive numbers. The second is a little trickier (around level 5) and … [Read more...]

These questions on using SohCahToa can seem a little daunting.. but they are used extensively in maths and have some real, practical applications. Watch the video and try the quick test. You can use SohCahToa - the "trigonometric functions" to find the size of an angle in a right angle triangle or to find the length of a side in a right angle triangle … [Read more...]