Ancient theorem of Euclid (Book III, Proposition 31) still a fundamental part of school maths. The angle in a semi-circle is a right angle.

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# Month: February 2016

## The Angle in a Semi-Circle, Euclid Book III, Proposition 31

## Algebraic Form of the Modulus Function

## Functional Transfromations – Core Maths into STEP

Ancient theorem of Euclid (Book III, Proposition 31) still a fundamental part of school maths. The angle in a semi-circle is a right angle.

Sneaky play with algebraic notation and function definition lays traps for scholarship students in school maths.

Linking core maths 3 functional transformations to Step algebra and solutions of equations.