NGfL Cymru GCad
Area and properties of triangles and quadrilaterals
Gwyn Jacks
Ysgol Morgan Llwyd
Wrexham
December 2009

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Area of Triangles and Quadrilaterals
Pythagoras
Teacher Guidance
Activity 1 (ggb)
Activity 1 (doc)
Activity 2 (ggb)
Activity 2 (doc)
Activity 3 (ggb)
Pythagoras
Area of a triangle (ggb)
Area of a triangle (doc)
 
Area of a rectangle (ggb)
Area of a rectangle (doc)
 
Area of a parallelogram (ggb)
Area of a parallelogram (doc)
 
Area of a trapezium (ggb)
Area of a trapezium (doc)
 
Area of a kite - activity 1 (ggb)
Area of a kite - activity 2 (doc)
 
Area of irregular quadrilaterals (ggb)
Area of irregular quadrilaterals (xls)
 
Area of quadrilaterals with perpendicular diagonals (doc)
Area
Activity 1 (ggb)
Activity 2 (ggb)
Properties of Triangles and quadrilaterals