A carpet problem Animation Play

A more difficult problem Student activity Play

A more difficult problem Whiteboard exercise Play

A more difficult problem (1) Student activity Play

A more difficult problem (2) Student activity Play

Adding and subtracting fractions – a practical problem Whiteboard exercise Play

Adding and subtracting fractions – a practical problem Whiteboard exercise Play

Adding fractions – a practical problem Whiteboard exercise Play

Adding fractions – a practical problem Whiteboard exercise Play

Advanced problem Whiteboard exercise Play

Aids as a social problem Slideshow Play

Alarm clock problem Animation Play

An area problem Whiteboard exercise Play

An area problem Student activity Play

An area problem – visualisation Animation Play

Applying the linear equation Student activity Play

Arrangements in a ring Student activity Play

Arrangements in a ring – three men and two women Whiteboard exercise Play

Arrangements in boxes Student activity Play

Arrangements in boxes – identical socks Whiteboard exercise Play

Banach's match problem Animation Play

Cardinal number problems Student activity Play

Cardinal number problems Whiteboard exercise Play

Combinations Student activity Play

Combinations Whiteboard exercise Play