Pythagoras' theorem – geometric proof Whiteboard exercise Play

Pythagorean theorem Class activity Play

Pythagorean theorem Whiteboard exercise Play

Pythagorean theorem Whiteboard presentation Play

Pythagorean theorem in 3-dimensional space Student activity Play

Pythagorean triple Animation Play

Pythagorean triples Whiteboard exercise Play

Pythagorean triples Student activity Play

Quadrilaterals Student activity Play

Radar stations Whiteboard exercise Play

Radar stations Student activity Play

Ratios of sides in a triangle Animation Play

Reasoning with angles Student activity Play

Recognising patterns Student activity Play

Rectangular board Whiteboard exercise Play

Reflection is a transformation Student activity Play

Reflection symmetry in the coordinate system in the line y = –x Student activity Play

Reflection symmetry in the coordinate system in the lines x = a and y = b Student activity Play

Reflection symmetry in the coordinate system in the x-axis and the y-axis Student activity Play

Reflection symmetry of the triangle – the coordinates of the vertices Whiteboard exercise Play

Regular and irregular polygons Student activity Play

Regular pentagon Animation Play

Regular polygons Animation Play

Regular polygons Animation Play

Regular polygons – the equilateral triangle Student activity Play