In the previous blog, in which I calculated the arc length of the Clifton Suspension Bridge, there were multiple steps to solving the problem. We had to calculate the radius of the sector. Then, we used this radius to calculate the angle of the sector. Then we had to use… Continue reading Rounding errors
Tag: algebra
Calculating the arc length of the Clifton Suspension Bridge
In this blog, I’m going to use mathematics to calculate the arc length of Bristol’s most famous piece of engineering, The Clifton Suspension Bridge. All of the methods used appear in GCSE maths.The Clifton Suspension Bridge opened in 1864 and was originally designed by Isambard Kingdom Brunel however sadly he… Continue reading Calculating the arc length of the Clifton Suspension Bridge
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
A guide to solving linear equations
In this blog, I will show you a method for solving linear equations.Solving equations is the most useful aspect of algebra you will learn at school. Take the example below… Solve 3x + 1 = 13 The x is just a number that we don’t know yet. Solving an equation… Continue reading A guide to solving linear equations
The Magic Number 10 – A mathematical trick
Here's another maths magic trick that you can use to impress your friends. This trick works for ANY number that you choose. Follow these instructions and you will always end up with 10. Pick a number.Multiply it by 3.Then add 30.Then multiply by 2.Then divide by 6.Subtract your original number.… Continue reading The Magic Number 10 – A mathematical trick
