In previous blogs, we’ve looked at some interesting integer sequences. We started with the daddy of all integer sequences, the Fibonacci sequence. Then, the Look and Say sequence. Today’s sequence is the Golomb sequence.The sequence is named after its founder, American mathematician Solomon Golomb. Golomb was not only an accomplished… Continue reading The Golomb Sequence
Tag: mathematics
How to fix a calculator that is in the wrong mode
If you’re studying GCSE or A Level maths, you will be spending a lot of time using a calculator. Sometimes by accident (or by a friend getting hold of it!) the mode of a calculator is changed and the results don’t display in the way you want it to. You… Continue reading How to fix a calculator that is in the wrong mode
Perfect numbers
“If you look for perfection, you’ll never be content”There are very few things that are perfect in the world. But in maths, there are perfect numbers. What is a perfect number? To describe what a perfect number is, we first need to know what a factor is.The factors of a… Continue reading Perfect numbers
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
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
