Browsing by NSW K-10 Maths for the AC

classifies, describes and uses the properties of triangles and quadrilaterals, and determines congruent triangles to find unknown side lengths and angles

Screenshot of Polygon angle theorems: triangle through octagon
Polygon angle theorems: triangle through octagon
Screenshot of Polygraph: Basic Quadrilaterals
Polygraph: Basic Quadrilaterals
Screenshot of Quadrilateral explorer
Quadrilateral explorer
Screenshot of Rotation Symmetry
Rotation Symmetry
Screenshot of Some Regular Polygons Can Tile The Plane
Some Regular Polygons Can Tile The Plane
Screenshot of Sum of angles of a triangle
Sum of angles of a triangle
Screenshot of Symmetry Artist
Symmetry Artist
Screenshot of Tangram Puzzle
Tangram Puzzle
Screenshot of Tessellation Interactivity
Tessellation Interactivity
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