A test Whiteboard exercise Play

Arrangement of different objects Animation Play

Arrangement of indistinguishable objects Animation Play

Arrangements Student activity Play

Arrangements in a ring Animation Play

Arrangements in a ring Student activity Play

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

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

Arrangements in boxes Student activity Play

Arrangements in boxes – holidays Whiteboard exercise Play

Arrangements in boxes – identical socks Whiteboard exercise Play

Arrangements of the objects Animation Play

Arrangements of the objects Animation Play

Arrangements – putting five balls into five baskets Whiteboard exercise Play

Arrangements – ten explorers Whiteboard exercise Play

Arrangements – throwing a die Whiteboard exercise Play

Buying stamps Whiteboard exercise Play

Choosing shoes Whiteboard exercise Play

Combinations Whiteboard exercise Play

Combinations Student activity Play

Counting problems Class activity Play

Counting problems Whiteboard presentation Play

Forming code words Animation Play

Forming words Student activity Play

Forming words Whiteboard exercise Play

Forming words using a two-letter alphabet Whiteboard exercise Play

Forming words – a password in a game Whiteboard exercise Play

Forming words – leaving the lift Whiteboard exercise Play

Mathematical race Game Play

Morse's Alphabet Animation Play