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Look at the changes in results on some of the athletics track events at the Olympic Games in 1908 and 1948. Compare the results for 2012.
Look at some of the results from the Olympic Games in the past. How do you compare if you try some similar activities?
Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?
This activity challenges you to decide on the 'best' number to use in each statement. You may need to do some estimating, some calculating and some research.
Can you put these mixed-up times in order? You could arrange them in a circle.
Can you put these times on the clocks in order? You might like to arrange them in a circle.
Can you place these quantities in order from smallest to largest?
My measurements have got all jumbled up! Swap them around and see if you can find a combination where every measurement is valid.
These clocks have only one hand, but can you work out what time they are showing from the information?
Use the interactivity to move Pat. Can you reproduce the graphs and tell their story?
Two engines, at opposite ends of a single track railway line, set off towards one another just as a fly, sitting on the front of one of the engines, sets off flying along the railway line...
A bus route has a total duration of 40 minutes. Every 10 minutes, two buses set out, one from each end. How many buses will one bus meet on its way from one end to the other end?
A train leaves on time. After it has gone 8 miles (at 33mph) the driver looks at his watch and sees that the hour hand is exactly over the minute hand. When did the train leave the station?
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?
These clocks have been reflected in a mirror. What times do they say?
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.
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.?
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?
If it takes four men one day to build a wall, how long does it take 60,000 men to build a similar wall?
Calendars were one of the earliest calculating devices developed by civilizations. Find out about the Mayan calendar in this article.
Read this article to find out the mathematical method for working out what day of the week each particular date fell on back as far as 1700.
Mathematics has allowed us now to measure lots of things about eclipses and so calculate exactly when they will happen, where they can be seen from, and what they will look like.
A paradox is a statement that seems to be both untrue and true at the same time. This article looks at a few examples and challenges you to investigate them for yourself.
N people visit their friends staying N kilometres along the coast. Some walk along the cliff path at N km an hour, the rest go by car. How long is the road?
Anne completes a circuit around a circular track in 40 seconds. Brenda runs in the opposite direction and meets Anne every 15 seconds. How long does it take Brenda to run around the track?
A game for two or more players that uses a knowledge of measuring tools. Spin the spinner and identify which jobs can be done with the measuring tool shown.
How many of this company's coaches travelling in the opposite direction does the 10 am coach from Alphaton pass before reaching Betaville?
How many times in twelve hours do the hands of a clock form a right angle? Use the interactivity to check your answers.
Alice's mum needs to go to each child's house just once and then back home again. How many different routes are there? Use the information to find out how long each road is on the route she took.
In this version of the story of the hare and the tortoise, the race is 10 kilometres long. Can you work out how long the hare sleeps for using the information given?
Mr. Sunshine tells the children they will have 2 hours of homework. After several calculations, Harry says he hasn't got time to do this homework. Can you see where his reasoning is wrong?
Follow the journey taken by this bird and let us know for how long and in what direction it must fly to return to its starting point.
July 1st 2001 was on a Sunday. July 1st 2002 was on a Monday. When did July 1st fall on a Monday again?
Nirmala and Riki live 9 kilometres away from the nearest market. They both want to arrive at the market at exactly noon. What time should each of them start riding their bikes?
Chandrika was practising a long distance run. Can you work out how long the race was from the information?
How far have these students walked by the time the teacher's car reaches them after their bus broke down?
Use the information to work out the timetable for the three trains travelling between City station and Farmland station.
What is the date in February 2002 where the 8 digits are palindromic if the date is written in the British way?
Liitle Millennium Man was born on Saturday 1st January 2000 and he will retire on the first Saturday 1st January that occurs after his 60th birthday. How old will he be when he retires?
Can you explain why every year must contain at least one Friday the thirteenth?
On a clock the three hands - the second, minute and hour hands - are on the same axis. How often in a 24 hour day will the second hand be parallel to either of the two other hands?
Every day at noon a boat leaves Le Havre for New York while another boat leaves New York for Le Havre. The ocean crossing takes seven days. How many boats will each boat cross during their journey?
My cousin was 24 years old on Friday April 5th in 1974. On what day of the week was she born?
Which segment on a digital clock is lit most each day? Which segment is lit least? Does it make any difference if it is set to 12 hours or 24 hours?
Two trains set off at the same time from each end of a single straight railway line. A very fast bee starts off in front of the first train and flies continuously back and forth between the two trains. How far does Sidney fly before he is squashed between the two trains?
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?
This investigation explores using different shapes as the hands of the clock. What things occur as the the hands move.
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!