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 Whiteboard presentation Play

Representations Class activity 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 Student activity Play

Shapes bounded by arcs and segments Whiteboard exercise Play

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

Sides of the trapezium Animation Play

Sides of the triangles Animation Play

Similar prisms Whiteboard exercise Play

Similar solids Student activity Play

Solids exhibition Animation Play

Solution of the equation ax 2 + bx + c = 0 Student activity Play