I’ve been trying to increase my use of the laptops with Year 9.
In the NSW Mathematics Syllabus students are to learn about “rounding numbers to a specified number of significant figures” [NS5.2.1].
This is a fairly simple activity that allows for something different in the teaching of Pythagoras’ Theorem.
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Simon Job — eleventh year of teaching maths in a public high school in Western Sydney, Australia.
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