Being collaborative

Which pairs of cogs let the coloured tooth touch every tooth on the other cog? Which pairs do not let this happen? Why?

Mr Gilderdale is playing a game with his class. What rule might he have chosen? How would you test your idea?

Invent a scoring system for a 'guess the weight' competition.

A task involving the equivalence between fractions, percentages and decimals which depends on members of the group noticing the needs of others and responding.

An algebra task which depends on members of the group noticing the needs of others and responding.

A task which depends on members of the group noticing the needs of others and responding.

A task which depends on members of the group noticing the needs of others and responding.

A task which depends on members of the group noticing the needs of others and responding.

A task which depends on members of the group noticing the needs of others and responding.

The challenge for you is to make a string of six (or more!) graded cubes.