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Welcome to my 60th update from the world of Maths EduTwitter. Here I summarise some of the latest ideas and resources for teaching maths.
1. Perpendicular Gradient
I love this gif demonstrating the relationship between gradients of perpendicular lines, shared by Simon Pampena (@mathemaniac).
Geogebra fans will be pleased to see that Tim Brzezinski (@dynamic_math) made ‘Slope Triangle