Shapes that have rotation symmetry Student activity Play

Ships Animation Play

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

Sides of the trapezium Animation Play

Sides of the triangles Animation Play

Sierpinski Gasket – activity Whiteboard exercise Play

Similar prisms and pyramids Student activity Play

Similar pyramids Whiteboard exercise Play

Solving problems Student activity Play

Solving problems involving trigonometric ratios Class activity Play

Solving problems involving trigonometric ratios Whiteboard presentation Play

Solving problems using the tangent theorem Student activity Play

Solving problems using the tangent theorem Simulation Play

Solving triangles Whiteboard exercise Play

Solving triangles Student activity Play

Solving triangles Whiteboard exercise Play

SSS property of similar triangles Student activity Play

SSS property of similar triangles Whiteboard exercise Play

Subdivision into triangles Simulation Play

Substituting into formulas connected with a right-angled triangle Student activity Play

Substituting into formulas connected with any triangle Student activity Play

Substituting into formulas connected with triangles Whiteboard exercise Play

Sum of angles in a triangle Animation Play

Sum of the angles in a quadrilateral – proof Animation Play

Sum of the angles in a triangle – proof Animation Play