Detecting outliers Student activity Play

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

Distance between points in 3-dimensional space Whiteboard exercise Play

Distance formula in 3-dimensional space Student activity Play

Distance – a more difficult problem Whiteboard exercise Play

Distance – a more difficult problem Student activity Play

Dividing natural numbers Student activity Play

Dividing surds Student activity Play

Dividing surds Whiteboard exercise Play

Dividing surds Whiteboard exercise Play

Divisibility by 11 Student activity Play

Division algorithm Student activity Play

Effectiveness Whiteboard exercise Play

Equal angles imply parallel lines Student activity Play

Equations and tables Student activity Play

Examples of simplifying surds Animation Play

Examples of surds Animation Play

Examples of surds Animation Play

Exterior angle of a triangle – exercises Student activity Play

Exterior angles in quadrilaterals Student activity Play

Exterior angles of a triangle Student activity Play

Find the temperature Student activity Play

Find the temperature Whiteboard exercise Play

Find, order, write down Student activity Play

Finding a difference Whiteboard exercise Play