Which times on a digital clock have a line of symmetry? Which look
the same upside-down? You might like to try this investigation and
This investigation explores using different shapes as the hands of
the clock. What things occur as the the hands move.
Do you know the rhyme about ten green bottles hanging on a wall? If
the first bottle fell at ten past five and the others fell down at
5 minute intervals, what time would the last bottle fall down?
The goods train departs from City station at 9.20 and arrives at
Farmland station at 10.40. The all stations train departs at 9.40
and arrives at 10.30, and the express departs at 9.50 and arrives
Kay has set the
solution out in a table:
Well done also to Alison for sending in a correct solution.