List

Clocks and watches

problem
Favourite

How many times?

Age
7 to 11
Challenge level
filled star empty star empty star

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.?

problem
Favourite

Clocks

Age
7 to 11
Challenge level
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These clocks have been reflected in a mirror. What times do they say?

problem
Favourite

A mixed-up clock

Age
7 to 11
Challenge level
filled star empty star empty star

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?

problem
Favourite

Wonky watches

Age
7 to 11
Challenge level
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Mandeep's watch loses two minutes every hour. Adam's watch gains one minute every hour. Can you work out what time they arrived at the airport?

Two Clocks
problem
Favourite

Two clocks

Age
7 to 11
Challenge level
filled star filled star empty star

These clocks have only one hand, but can you work out what time they are showing from the information?

The time is ...
problem
Favourite

The time is ...

Age
7 to 11
Challenge level
filled star filled star empty star

Can you put these mixed-up times in order? You could arrange them in a circle.

problem
Favourite

Watch the clock

Age
7 to 11
Challenge level
filled star filled star filled star

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?

5 on the clock
problem
Favourite

5 on the clock

Age
7 to 11
Challenge level
filled star filled star filled star

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?