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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!

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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?

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A Child Is Full of ...

My cousin was 24 years old on Friday April 5th in 1974. On what day of the week was she born?

Clock Hands

Stage: 2 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

It seems that everyone found this a bit tough! It certainly is very hard to picture the shapes moving around. You really need to find some clear plastic to draw the shapes on, so you can turn them around and see what happens. Or, you could just cut some out of cardboard. You might try drawing them on thin paper and holding them up on a window to let the light shine through.

Try one of these ways of making the clock hands and have another go at the investigation. We would be thrilled to get some solutions on this one.