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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.

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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?

5 on the Clock

Age 7 to 11 Challenge Level:

 


On a digital clock showing $24$-hour time, over a whole day, how many times does a $5$ appear?

Is it the same number for a $12$-hour clock over a whole day?

 

 

Click here for a poster of this resource.