Discriminant of the quadratic equation Whiteboard exercise Play

Distance – a more difficult problem Student activity Play

Distance – a more difficult problem Whiteboard exercise Play

Dividing natural numbers Student activity Play

Dividing surds Whiteboard exercise Play

Dividing surds Student activity Play

Dividing surds Whiteboard exercise Play

Divisibility by 11 Student activity Play

Division algorithm Student activity Play

'Double quadratic' equations Student activity Play

Effect of concentration on reaction equilibrium Student activity Play

Effectiveness Whiteboard exercise Play

Equal angles imply parallel lines Student activity Play

Equalities with roots Whiteboard exercise Play

Equations and tables Student activity Play

Essential minerals Student activity Play

Estimation of the roots of a quadratic equation Whiteboard exercise Play

Estimation of the roots of a quadratic equation Student activity Play

Estimation of the roots of a quadratic equation Whiteboard exercise Play

Estimation of the roots of a quadratic equation – example Animation Play

Estimation of the roots of a quadratic equation – example Animation Play

Examples of fractional exponents Whiteboard exercise Play

Examples of rationalising the denominator Animation Play

Examples of roots of any order as the powers Animation Play

Examples of simplifying surds Animation Play