Not everybody agreed that the Third Millennium actually began on January 1st 2000. Find out why by reading this brief article.
This article for teachers suggests ways in which dinosaurs can be a
great context for discussing measurement.
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?
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?
Astronomy grew out of problems that the early civilisations had. They needed to solve problems relating to time and distance - both mathematical topics.
Measure problems at primary level that require careful consideration.
Measure problems at primary level that may require determination.
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.
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.
Measure problems for inquiring primary learners.
Measure problems for primary learners to work on with others.
Use your knowledge of angles to work out how many degrees the hour
and minute hands of a clock travel through in different amounts of
These two challenges will test your time-keeping!
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?
Use the information to work out the timetable for the three trains
travelling between City station and Farmland station.
Can you put these mixed-up times in order? You could arrange them in a circle.
How many of this company's coaches travelling in the opposite
direction does the 10 am coach from Alphaton pass before reaching
These clocks have only one hand, but can you work out what time
they are showing from the information?
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.
Can you rank these quantities in order? You may need to find out
extra information or perform some experiments to justify your
Calendars were one of the earliest calculating devices developed by civilizations. Find out about the Mayan calendar in this article.
Can you put these times on the clocks in order? You might like to arrange them in a circle.
These pictures show some different activities that you may get up to during a day. What order would you do them in?
What can you say about when these pictures were taken?
Describe what Emma might be doing from these pictures of clocks
which show important times in her day.
Can you place these quantities in order from smallest to largest?
This article explains how Greenwich Mean Time was established and in fact, why Greenwich in London was chosen as the standard.
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?
July 1st 2001 was on a Sunday. July 1st 2002 was on a Monday. When
did July 1st fall on a Monday again?
Read about the history behind April Fool's Day.
How many days are there between February 25th 2000 and March 11th?
This investigation explores using different shapes as the hands of
the clock. What things occur as the the hands move.
This article for teachers suggests ideas for activities built around 10 and 2010.
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.?
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.
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?
How far have these students walked by the time the teacher's car
reaches them after their bus broke down?
My cousin was 24 years old on Friday April 5th in 1974. On what day
of the week was she born?
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.
Galileo, a famous inventor who lived about 400 years ago, came up
with an idea similar to this for making a time measuring
instrument. Can you turn your pendulum into an accurate minute
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.
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
Can you create a story that would describe the movement of the man
shown on these graphs? Use the interactivity to try out our ideas.
These clocks have been reflected in a mirror. What times do they
Use the interactivity to move Mr Pearson and his dog. Can you move
him so that the graph shows a curve?
Try this version of Snap with a friend - do you know the order of
the days of the week?
Try this matching game which will help you recognise different ways of saying the same time interval.
Stop the Clock game for an adult and child. How can you make sure you always win this game?
In this matching game, you have to decide how long different events take.
The pages of my calendar have got mixed up. Can you sort them out?