Time

problem

Walking in the Mountains

Age

14 to 16

Challenge level

Heidi and Peter pass two signs which say how far their destination is. How long will it take them to get there?
problem

A Problem of Time

Age

14 to 16

Challenge level

Consider a watch face which has identical hands and identical marks for the hours. It is opposite to a mirror. When is the time as read direct and in the mirror exactly the same between 6 and 7?
article
Eclipses of the Sun

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.
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On What Day Did It Happen?

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.
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Calendars

Calendars were one of the earliest calculating devices developed by civilizations. Find out about the Mayan calendar in this article.
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The New Millennium: When Did It Begin?

Not everybody agreed that the Third Millennium actually began on January 1st 2000. Find out why by reading this brief article.
article
April Fool Is Past and Gone, You're the Fool for Carrying On!

Read about the history behind April Fool's Day.
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A History of Astronomy

Astronomy grew out of problems that the early civilisations had. They needed to solve problems relating to time and distance - both mathematical topics.
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On Time?

This article explains how Greenwich Mean Time was established and in fact, why Greenwich in London was chosen as the standard.
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A Brief History of Time Measurement

Noticing the regular movement of the Sun and the stars has led to a desire to measure time. This article for teachers and learners looks at the history of humanity's need to measure things.