Shapes bounded by arcs and segments Student activity Play

Sierpinski's Carpet Whiteboard exercise Play

Sierpinski's Carpet Student activity Play

Sierpinski's Carpet – activity Whiteboard exercise Play

Snow shoes Illustration Play

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

Solution of the equation ax 2 = b Student activity Play

Solving an equation Student activity Play

Solving problems using the tangent theorem Student activity Play

Square circumscribed and inscribed in a circle Whiteboard exercise Play

Square circumscribed and inscribed in a circle Student activity Play

Square roots Student activity Play

Square roots Simulation Play

Squaring a binomial difference Student activity Play

Sridhara's method of finding the roots of a quadratic equation Student activity Play

Statements about pressure Whiteboard exercise Play

Statistical techniques Student activity Play

Statistical techniques Whiteboard exercise Play

Strength Animation 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 quadrangles Whiteboard exercise Play

Substituting into formulas connected with quadrangles Student activity Play

Substituting into formulas connected with triangles Whiteboard exercise Play

Surface area Class activity Play