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Construct some of the centres of a triangle and investigate relationships between them, discovering the Euler Line
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Topic: Mathematics
Experience reflection dynamically: relationships between the object, the image and the position and orientation of the mirror.
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: Jay Timotheus
Topic: Mathematics
A dynamic approach to enlargement and similarity
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: Jay Timotheus
Topic: Mathematics
The classic geometry problem of "squaring the circle"
Editor: Barrie Galpin
Author: Adrian Oldknow
Topic: Mathematics
Investigate where mediators of different triangles meet
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Topic: Mathematics
A square is dissected to form three triangles and a quadrilateral. What fraction of the square is each part?
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Topic: Mathematics
Connecting Algebra, Geometry and Graphs
Move from words to symbols, to geometric representations, to plotted points and finally to graphs.
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: Allan Duncan
Topic: Mathematics
Seven activities in which students investigate angles in circles using basic geometric constructions.
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Topic: Mathematics
Enlargement/reduction from the origin (template)
A ready-made Graphs page for enlargements centred at the origin.
Publisher: Texas Instruments UK
Editor: Christopher Rath
Topic: Mathematics
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
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
Investigate shapes formed by joining mid-points of adjacent sides of a quadrilateral.
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Topic: Mathematics