Using Geometer's Sketchpad

The resources listed below utilise Geometer's Sketchpad. Some files (those ending in .gsp) are ready made constructions for immediate use in the classroom. The word files (those ending in .doc) are activities designed to lead your students through their own constructions.

Written by Simon Starr and Karen Brown.

Angle Relationships

• alternate and corresponding angles
• angle relationships
• angles around a point
• angles in a triangle
• angles in isosceles triangles
• angles inoctagons
• angles in pentagons
• angles in quadrilaterals
• angles in quadrilaterals
• angles in triangles
• angles on a straight line

Area

• Rectangle area & perimeter
• Trapezium area
• Triangle area colour
• Triangle area

Cirlce Theorems

• Angle at the Centre of a Circle
• Angle in a Semi Circle
• Angle Subtended from a Chord
• Angles & Tangents
• Angles in Cyclic Quadrilaterals
• Double angle theorem
• Tangent is a right angle

Construction

• angle bisector
• constructing a triangle
• hexagon construction
• making faces - intro to GSP
• perpendicular bisector

Shape

• Coordinate Grid
• Geoboard
• Plain dots
• Pythagoras Theorem

Tesselations

• tesselation quadrilateral
• tesselation traiangle

Transformations

• enlargement
• multi reflection
• reflection

Trigonometry

• SSA - the Ambiguous Triangle
• Trigonometry ratios
• Trigonometry ratios 2

 

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This page was last updated on Wednesday, 4 July, 2007