A useful video from UKmathsteacher.

#### GCSE Tutorial Plotting Quadratic Graphs Higher and Foundation)

This channel is managed by up and coming UK maths teachers. Videos designed for the site by Steve Blades, retired Youtuber and owner of m4ths.com to assist learning in UK classrooms. Designed for the Edexcel spec but applicable to AQA, OCR,MEI and WJEC.

A letter to the Sheffield Star

Dear Editor

As someone who teaches maths for a living it saddens me when I see mathematical errors in your paper.

In a letter about Council Tax increases (21.2.18) Ron Sanderson claimed that last year’s 5.99% rise combined with this year’s 4.99% rise made a total increase of 10.98%. He has added the percentages, ignoring the fact that this year’s increase is 4.99% more than the new total for last year.

For every 100p you paid in Council Tax in 2016, you paid 100 x 1.0599 in 2017.
In 2018 you will pay 100 x 1.0599 x 1.0499 which equals 111.28p or an increase of 11.28%

Understanding percentages is vital when working out things like Council Tax rises, pay claims, credit agreements or interest earnt on investments. People who don’t understand percentages and APR’s are much more likely to be ripped off. If you need help with maths visit my website at www.mathswithgraham.org.uk where you will find free activities, some with a Sheffield theme such as the Sheaf Valley Maths Trail, to help people of all levels, from the very basic up to Higher GCSE.

Yours faithfully

Maths with Graham

Here is the original letter.

#### Mixed transformations GCSE Maths

This is a quick walk-through of a GCSE maths exam question.

Many FE students are preparing to take GCSE maths and are taking the new 9-1 syllabus for the first time. This document tells you exactly what you can expect if you are taking Edexcel.

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Here you can find practice exam papers. The best way to revise is to practice questions then mark them yourself to find out where you are making mistakes.

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