Keith Burnett
ping-dot-keith commercial-at gmail dot com


GCSE maths handouts

4 sets of 'functional' questions.
From 15 years ago but still useable perhaps with updated quantities. Now with handwritten answers! I'd probably reword the instructions as 'do as many as you can in 20 minutes' if I was writing this today.
GCSE Angle facts place mat
An A3 format pdf file with facts on the first side and questions to try on the second side.
Probability Rules and Tools
An A4 format handout with GCSE foundation maths notes on probability. There is also a two page glossary.
200 pages of GCSE Foundation Maths questions
A couple of years worth of questions and tests. No solutions and you need to watch for typos.
Number topic guide
GCSE Foundation maths. My attempt at a clear layout for dyslexic students (but suitable for everyone).
Four Maths place mats
Designed for printing in colour on A3 paper, best for revision.
2014 vintage Rules and Tools guides (old syllabus)
Algebra, data and number. Written for the old GCSE Foundation syllabus.

Maths bits and pieces

Using a spreadsheet to explore functions
14 pages about basic spreadsheet use to make plots of graphs including the straight line, quadratic, cubic and sine.
Deriving the quadratic formula
This one came up in a higher tier GCSE class I was sitting in last year so I wrote it out just in case I need it again.
Quadratic sequences and the nth term formula
A systematic exploration using algebraic notation.
Special angle values
Work out the exact values of the sine, cosine and tangent for 30°, 45° and 60° using Pythagoras' result and the trig ratios. I've used a limit based argument to justify the values for angles of 0° and 90°.

Other stuff

Current wallpaper: Autumn sky and leaves
Making the most of the rare sunny day with blue sky!
vi selected commands
based on Greg Tarsa's vi reference card. The original vi tutorial is still a good starting point - just ignore all the stuff about termcaps.
NetBSD 10.0 quick start
Light installation runs fine on an ancient Thinkpad T60. Successfully updated base system to 10.0 release.
Installing OpenBSD 7.6 on a laptop
A step by step guide to installing OpenBSD with an XFCE desktop on a BIOS laptop.
A custom disklabel for OpenBSD on a laptop with a small disk
I ran out of space on /usr/local and decided to try a customised partition layout for an OpenBSD install on a 64Gb SSD.
GNU Nano quick reference
My one side guide. Nano gets the job done for many people.
Year planner for any year
I like to see everything in one place if I can - even just as colour coded tags.
52:48
A pictorial representation of a strangely topical ratio.
My universal bread recipe
One dough to rule them all. Mine is a low salt recipe.
The rising and setting of the Sun and Moon and the times of twilight
A self contained Javascript calculator page that you can save to your computer.
The Old Computer Challenge
Each summer for the last four years or so, an assorted bunch of people have spent a week (roughly) using an 'old' computer of some kind and participating (to varying degrees) in a loose community.
Old Wallpapers

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Last updated 2024-10-13