close up photography of gray and orange fish
Higher GCSE

The Capture-Recapture Method – how to estimate the number of fish in a lake

In the previous blog, I explained the Difference of Two Squares, as this mentioned in the Advance Information. Another topic that is mentioned specifically in the Edexcel Advance Information for the Summer 2022 GCSE exams is the Capture-Recapture Method. This will be very easy to prepare for as the questions… Continue reading The Capture-Recapture Method – how to estimate the number of fish in a lake

girl writing mathematics school
Higher GCSE

The Difference of Two Squares

Mentioned specifically in the Edexcel Advance Information for the 2022 GCSE exams is something called the Difference of Two Squares. So I decided to write a blog about it.I’ve already touched on factorising quadratics in these two blogs – Factorising Quadratics (Foundation) and Factorising Quadratics (Higher). In those two blogs,… Continue reading The Difference of Two Squares

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Foundation GCSE, General, Higher GCSE

Advance Information for Summer 2022 GCSE Exams

Due to the disruption to schooling caused by the Coronavirus pandemic, exam boards have provided advance information for the upcoming Summer 2022 GCSE exams. This consists of: a list of topics that will come up in the exams, allowing students to focus their revision on fewer topicsa formula booklet which… Continue reading Advance Information for Summer 2022 GCSE Exams

Higher GCSE

How to use triangles to remember exact sin, cos and tan values

If you’re taking the higher maths GCSE, there are certain values of sin, cos and tan that you need to know off by heart. Luckily in two of the three exams you will be allowed to use a calculator, but in the non-calculator exam you will need to know the… Continue reading How to use triangles to remember exact sin, cos and tan values

tutor and tutee
Higher GCSE

How to represent a recurring decimal as a fraction

What is a recurring decimal? Some decimal numbers are easy to deal with – 0.5, 0.3, 0.25 etc. These are easy because they do not have recurring digits. Converting between these numbers and fractions is easy. Recurring decimals are numbers which have a repeated digit or sequence of digits –… Continue reading How to represent a recurring decimal as a fraction