Reasoning with angles Student activity Play

Recognition of congruent triangles Animation Play

Rectangles in LOGO Student activity Play

Rectangular right prism Animation Play

Reflection of light Student activity Play

Regular polygons Simulation Play

Regular shapes Student activity Play

Reliability of demonstration Animation Play

Representations Whiteboard presentation Play

Representations Class activity Play

Repulsion between current-carrying conductors Animation Play

Rhombuses Simulation Play

Rhombuses and squares Student activity Play

Right hand rule Animation Play

Right prisms Whiteboard exercise 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