Feature

NiE - Maths Mind It's Time

Time has played a central role in mathematicsfrom its very beginnings, yet it remains one of the most mysterious aspects of the world in which we live.

Ever since man first noticed the regular movement of the Sun and the stars and other events that indicated significant changes in the environment such as seasonal winds and rains, the flooding of rivers, the flowering of trees and plants, and the breeding cycles or migration of animals and birds, we have wondered about the passage of time.

Measurement of time started early on in human development fromthese observations which led to the recognition of the seasons and the divisions of the year.Time of the day is related to the position of sun in the sky.There is dawn, sunrise, early morning, morning, mid morning, noon, afternoon, late afternoon, evening, sunset, dusk, night and mid night. Then there are years, months, weeks, based on earth's yearly orbit around the sun and the changing seasons.

Time is a way to measure, compare or describe different kinds of motions. Werecord time with clocks and calendarsas way to keep track of events. In mathematics, the three key features of time are that it places events in sequence one after the other, it specifies how long an event lasts and when it occurs.

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Click here for sundial template base

Click here for the sundial template gnomon

*NB The instructions and template have been adapted from the BBC website

QUIZ TIME ANSWERS

1. Roger Federer, Serena Williams

2. Queensland

3. Libya

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