geometry
August 23, 2017
One remarkable fact about school maths is that students are hardly ever given definitions of the objects they are dealing with. Instead, students are presented with some sort of descriptions. Here is an excerpt from BBC Bitesize which is a typical example of what school textbooks say: Students need to know properties of squares, but […]
Tags: definitions vs descriptions, geometry, textbooks
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July 25, 2017
That was hard. My 12-year-old student struggled with angles. Why is one angle greater than another? How do we measure angles? When do we need to add them? She couldn’t get her head round these questions, and I couldn’t work out why. She started to get more and more confused and upset, so I gave […]
Tags: explanations, geometry, Key Stage 3
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