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Great Squares

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

Hand Span

Use your hand span to measure the distance around a tree trunk. If you ask a friend to try the same thing, how do the answers compare?

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?


Age 5 to 11 Challenge Level:
Squared paper will be useful for this activity.  You'll also need a pencil and ruler.