Time

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.

This article for teachers suggests ways in which dinosaurs can be a great context for discussing measurement.

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

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

Read about the history behind April Fool's Day.

Not everybody agreed that the Third Millennium actually began on January 1st 2000. Find out why by reading this brief article.

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.