Author Archives: danpearcymaths.wordpress.com

Does an equation exist to describe a square? What about any polygon?

Yesterday I saw some awesome Mr Men Math posters created by @solvemymaths (www.solvemymaths.com) and have already stuck some of them up in the corridor at school. Mr Astroid particularly caught my eye as one of the interesting Mr Men shapes. … Continue reading

Posted in Uncategorized | Tagged , , | 2 Comments

Moving towards more Meaningful Mathematics Assessment in the 21st Century

I’ve always believed that there’s nothing wrong with a sit down test if the test items assess the core philosophy and values of the subject. Hence, I’ve tried to make an assessment for my Year 7 students (grade 6) which I believe … Continue reading

Posted in Uncategorized | Tagged , | Leave a comment

Allowing Students to Discover the “Mystery” of Square Roots (Surds)

Here’s my attempt at investigating operations with square roots (surds) when you’re not prescribed by a GCSE/IGCSE syllabus. This is only a general outline of the lessons we’ve had so far but it’d be great to hear how other people go … Continue reading

Posted in Investigations, Number | Tagged , | 1 Comment

Percentage Increase and Decrease Applet: Any improvements?

Here’s a Geogebra app I made to help students who were struggling with percentage increase and decrease. Can anyone think of any improvements? Click the picture to go to the link.

Posted in Number | Tagged , , | 3 Comments

Estimation Calculator (Multiplication) on Geogebra

Click the picture to go to the Applet.

Posted in Uncategorized | 2 Comments

Why I like Mathematics and why Students should Discover and Create their Own

An old video – and in some points cringe-worthy now I look back – but I do sometimes like to look back at it. [By the way, I don’t have a clue where I plucked out the 90% statistic towards the end … Continue reading

Posted in Teaching Ideas | 3 Comments

Introduction to Fractal Geometry 2: Julia Sets and the Mandelbrot Set

The Mandelbrot Set – created with Geogebra It’s possible, or more like probable, that the most mysterious shape ever to arise from the study of Mathematics is that of the Mandelbrot Set. It’s amazing how such an intriguing shape could arise from … Continue reading

Posted in Uncategorized | Tagged , , | 2 Comments