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Which times on a digital clock have a line of symmetry? Which look the same upside-down? You might like to try this investigation and find out!

Clock Hands

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

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?

Two Clocks

Age 7 to 11
Challenge Level

Approximately what time do you think each clock is showing?
Can you order these times together to fit in with Sam's day?
Thinking about Julie's week, where might the minute hand of the clock be if she hurries home from school and it takes about half an hour?
Which three clocks show minute hands five minutes apart? Might that help you to decide which days they were?