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The sheep-pen problem

Recognise a quadratic in a realistic context and solve an optimisation problem

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Allan Duncan

Topic:  Mathematics

Tags: Quadratic, Perimeter, Area, Algebra

The arbelos

Investigate relationships between radii of the semicircles and the perimeter and area of this interesting shape

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Allan Duncan

Topic:  Mathematics

Tags: Perimeter, Area, Circles, Geometry

Dimensions of a Circle

Derive the formulae for the circumference and area of a circle using multiple representations.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: Allan Duncan

Topic:  Mathematics

Tags: Circumference, Area, Circles, Geometry