Investigate how this pattern of squares continues. You could
measure lengths, areas and angles.
During the third hour after midnight the hands on a clock point in
the same direction (so one hand is over the top of the other). At
what time, to the nearest second, does this happen?
How far have these students walked by the time the teacher's car
reaches them after their bus broke down?
The front wheel on the penny-farthing bicycle has a
circumference of 200 centimetres.