Coordinates – introduction Student activity Play

Corresponding and alternate angles Student activity Play

Cross-multiplication Student activity Play

Cube roots Student activity Play

Cubes Student activity Play

Cyclic numbers Animation Play

Damped oscillations Student activity Play

Damped oscillations Slideshow Play

Damped oscillations Whiteboard exercise Play

Decimal with period 6 Animation Play

Decimals with period 2 Animation Play

Decimals with period greater than 2 Whiteboard exercise Play

Density Animation Play

Depth of the harbour entrance Whiteboard exercise Play

Depth of the harbour entrance Student activity Play

Description of oscillations Student activity Play

Description of oscillations Whiteboard exercise Play

Detecting outliers 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

Divisibility by 11 Student activity Play

Division algorithm Student activity Play

Do noble gases form compounds? Whiteboard exercise Play

Do noble gases form compounds? Student activity Play