On a digital 24 hour clock, at certain times, all the digits are consecutive. How many times like this are there between midnight and 7 a.m.?
These clocks have been reflected in a mirror. What times do they
There is a clock-face where the numbers have become all mixed up. Can you find out where all the numbers have got to from these ten statements?
These clocks have only one hand, but can you work out what time
they are showing from the information?
Can you put these mixed-up times in order? You could arrange them in a circle.
Stuart's watch loses two minutes every hour. Adam's watch gains one
minute every hour. Use the information to work out what time (the
real time) they arrived at the airport.
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?
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?