You may also like


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?

Millennium Man

Age 7 to 11
Challenge Level

Liitle Millennium Man was born on Saturday 1 st January 2000 and he will retire on the first Saturday 1 st January that occurs after his 60 th birthday.

How old will he be when he retires? He will live more than 100 years.

How many times will his birthday occur on a Saturday during this century?