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Clock Hands

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

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?

Estimating Angles

How good are you at estimating angles?

Take the Right Angle

Age 7 to 11 Challenge Level:

 

How many times in twelve hours do the hands of a clock form a right angle?

What are these times to the nearest minute?