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Author Archives: danpearcy.com
Pi Day Activities
Pi day yesterday was a welcome break from the current global chaos – a lovely last day before a full month of online learning begins. Here’s what we organised if you need some inspiration for next year. I decided to … Continue reading
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Task: Differences
Opinions on this task? Any amendments or additions would be gratefully received before trialling it with my Year 9 group. Happy to receive comments below or via twitter (@DanielPearcy). We have completed a considerable amount of work on straight line … Continue reading
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Cognitive Load Theory: Questioning the Intricacies
To give some context for this post, I’ll start by saying that I absolutely love Craig Barton’s podcasts. Whenever I listen to one I almost always have to re-visit given the ridiculous number of ideas and claims made. One thing’s … Continue reading
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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
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
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
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.
Estimation Calculator (Multiplication) on Geogebra
Click the picture to go to the Applet.
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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
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Protected: Introduction to Fractal Geometry 2: Julia Sets and the Mandelbrot Set
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Tagged Fractals, Julia Sets, Mandelbrot Set
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Teaching Mathematics 