### 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?

### Walk and Ride

How far have these students walked by the time the teacher's car reaches them after their bus broke down?

# Bike Ride

##### Age 7 to 11 Challenge Level:

Nirmala and Riki live in different villages.
Both villages are $9$ kilometres away from the nearest market.
Nirmala rides her bike at $6$ kilometres per hour and Riki rides his
at $4$ kilometres an hour.

They both want to arrive at the market at exactly noon.
What time should each of them start riding?