Teacher development

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Adventures with TriplesE-Book | By At Right Angles | Jul 11, 2016  | Mathematics | 0 Likes

In this two-part note, we study the following two problems.

How to Prove ItE-Book | By At Right Angles | Jul 11, 2016  | Mathematics | 0 Likes

In this episode of “How To Prove It”, we prove a simple yet surprising collinearity associated with any triangle.

Introducing Differential Calculus on a Graphics CalculatorE-Book | By At Right Angles | Jul 11, 2016  | Mathematics | 0 Likes

Here is an article on introducing differential calculus on a graphics calculator.

Rich Maths for Everyone A Review of Jo Boaler's Mathematical MindsetsE-Book | By At Right Angles | Jul 11, 2016  | Mathematics, Views and Reflections | 0 Likes

This book is about developing such an open mindset about mathematics, through positive messages and creative tea

INEQUALITY FOR THE AREA OF A QUADRILATERALE-Book | By At Right Angles | Jul 11, 2016  | Mathematics | 0 Likes

Here is an elegant and remarkably compact one-line proof for an inequality relating to the area of a quadrilateral.

Pythagorean Triples part 4E-Book | By At Right Angles | Jul 11, 2016  | Mathematics | 0 Likes

Shailesh Shirali takes you to a wonderful tale of Pythagoren triples one more time.

Georg Cantor a short biographyE-Book | By At Right Angles | Jul 11, 2016  | Mathematics | 0 Likes

It was not just Cantor’s infinite quantities and irrational numbers that created a stir.

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