### 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?

# Bike Ride

### Why do this problem?

This problem could be used when time, length and distance are being introduced or discussed. It also requires careful thinking to work out how the problem should be tackled.

### Key questions

How long would it take Nirmala to get to the market? And how long would it take Riki?
At what time do they want to meet in the market?

### Possible extension

Learners could vary the speed or the distance and possibly work out a table of results.

### Possible support

Starting by working out how long each one takes to travel the 9 kilometres will help some children. Others may find it useful to draw a sketch map.