Property of a perpendicular bisector Animation Play

Property of enlargement Simulation Play

Proportions in crossing lines cut by two parallel lines Student activity Play

Pythagorean theorem Whiteboard presentation Play

Pythagorean theorem Class activity Play

Quadrilaterals Whiteboard exercise Play

Quadrilaterals Student activity Play

Quadrilaterals Student activity Play

Quadrilaterals – reminder Animation Play

Ratios in paper sizes Animation Play

Ratios of sides in a triangle Animation Play

Reasoning with angles Student activity Play

Recognition of congruent triangles Animation Play

Reliability of demonstration Animation Play

Representations Class activity Play

Representations Whiteboard presentation Play

Rhombuses Simulation Play

Rhombuses and squares Student activity Play

Right-angled triangle or not? Animation Play

Roots of the quadratic equation – example Animation Play

SAS property of similar triangles Student activity Play

Sections of a cube Student activity Play

Shapes bounded by arcs and segments Whiteboard exercise Play

Shapes bounded by arcs and segments Student activity Play

Side-Angle-Side property (SAS) Whiteboard exercise Play