This unit from the National Strategies is a sequel to the Year Eight multiplicative relationships unit. It provides an opportunity to revise, consolidate and extend ideas introduced in Year Eight and to make links to other mathematical strands, particularly shape and space. Making such links, especially with visual...

In this Bowland assessment task, students are required to allocate dormitories at a Youth Hostel for a given number of boys, girls and adults given certain constraints. Suitable methods of displaying the information are to be designed, a systematic method employed in order to check that all the conditions have been...

In this demonstration of a displacement reaction, a piece of foil in the shape of a Christmas tree is placed in lead nitrate solution. Within a few minutes the tree becomes covered with sparkling crystals of lead.