### Times

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 find out!

### Clock Hands

This investigation explores using different shapes as the hands of the clock. What things occur as the the hands move.

### Ten Green Bottles

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?

# A Calendar Question

##### Stage: 2 Challenge Level:

Do you know which years are leap years? They are the years which are divisible by $4$ so $2002$ was not a leap year but $2004$ was a leap year.
Why not make a table of results as you work them out?