A rhombus, a parallelogram and a trapezium in coordinates Whiteboard exercise Play

A trapezium and a kite – conclusions Whiteboard exercise Play

Angles in a cyclic quadrilateral Student activity Play

Application of the Pythagorean theorem in 2-D Whiteboard presentation Play

Application of the Pythagorean theorem in 2-D Class activity Play

Building a quadrilateral Simulation Play

Constructing a rhombus Student activity Play

Constructing a rhombus Whiteboard exercise Play

Doilies in the shape of polygons Whiteboard exercise Play

Figures in coordinates – part 2 Student activity Play

How do we construct a rhombus? Animation Play

Line of reflection symmetry Whiteboard exercise Play

Line of reflection symmetry Student activity Play

Other quadrilaterals Student activity Play

Parallelograms, rectangles, rhombuses and squares – properties of diagonals Whiteboard exercise Play

Parallelograms, rectangles, rhombuses and squares – properties of diagonals Student activity Play

Parallelograms, rhombuses and trapeziums – properties of angles Student activity Play

Parallelograms, rhombuses and trapeziums – properties of angles Whiteboard exercise Play

Perimeters of geometric figures Student activity Play

Properties of diagonals in a rhombus Animation Play

Proportions Animation Play

Proportions Student activity Play

Quadrilaterals Whiteboard exercise Play

Quadrilaterals Whiteboard exercise Play

Quadrilaterals Student activity Play