Rotating a half-turn – symmetry with respect to a point Student activity Play

Simplifying algebraic expressions Student activity Play

Square roots Student activity Play

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

Sridhara's method of finding the roots of a quadratic equation Whiteboard exercise Play

Subtracting decimals using the written method Student activity Play

Subtracting natural numbers using the written method Student activity Play

Surface area of a cylinder Student activity Play

Surface areas of some solids Student activity Play

Tangents to a circle Student activity Play

The area of a trapezium Student activity Play

The area of a triangle Animation Play

The area of a triangle Student activity Play

The area of a triangle in a coordinate system Whiteboard exercise Play

The cube roots Whiteboard exercise Play

The formula and the graph Student activity Play

The highest common factor Student activity Play

The highest common factor (hcf) Student activity Play

The interior angle of a regular polygon Student activity Play

The least common denominator Student activity Play

The least common multiple (lcm) Student activity Play

The length of an arc – finding the angle Whiteboard exercise Play

The line and the circle Student activity Play

The method of finding lcm(a, b) Animation Play

The method of finding the sum of vectors Animation Play