This video is all about how to rearrange the subject of a formula, and is aimed at around grade 4 GCSE maths. Make t the subject of the formula v = u + 5t How to rearrange the subject of a formula 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. … [Read more...]

## How to calculate ratio in ‘more than’ questions – grade 4 GCSE maths

This video is all about how to calculate ratio in 'more than' questions and is aimed at around grade 4 GCSE maths. These are a little more challenging, and involve the ‘more than’ type of questions. Here's three different questions for you to try: Arni, Bethany and Carrie save some money in the ratio 3:4:9. Carrie saved £150 more than Bethany. Show that Arni saved £90. … [Read more...]

## Volume question with algebra – Level 4 GCSE maths

Volume question with algebra These types of questions are all about working out a volume using algebra. They tend to be aimed at around level 4 GCSE maths and it's really about reading, and re- reading, the question until you are sure what they are asking. Volume is better calculated as area x depth and, with a triangular prism you need to remember that: area of a … [Read more...]

## How to work with proportion – GCSE Mathematics Quick Test

Here's a few videos on how to work with proportion, 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 how to work with proportion quick test … [Read more...]

## How to factorise equations containing algebra terms

Here’s a few videos on how to factorise equations containing algebra terms, that I hope might be useful. They are usually fairly popular on GCSE mathematics and appear on most papers - either as a plain expansion, or used to solve an equation. The questions can be either relatively straightforward .... or fairly complex! Top Tips! You need to remember that to factorise … [Read more...]