### Great Squares

Investigate how this pattern of squares continues. You could measure lengths, areas and angles.

### Watch the Clock

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?

### Rope Mat

How many centimetres of rope will I need to make another mat just like the one I have here?

# Walk and Ride

##### Stage: 2 and 3 Challenge Level:

Work out all the fixed points - the times when you know the exact whereabouts of everybody, then think about each section separately.

You may want to alter the problem to use easier numbers, eg $30$ miles, $30$mph and $5$mph in order to find suitable methods to use on the main problem.