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Listed under:  Mathematics  >  Measurement  >  Time
Video

MathXplosion, Ep 38: How to tell time using a sundial

Find out how to tell the time without a clock! A sundial uses the position of the sun to indicate the time. Typically, a stick (gnomon) casts a shadow upon a plane or surface that has markings, which indicate the time by the position of the shadow. See if you can create a sundial of your own.

Video

Mixed Up Maths, Ep 4: Late again!

Ever missed an appointment because you misread a timetable? Well it is easily done if you don't know how to read 24 hour time. In this clip, see how to read 24 hour time and find out where it is commonly used. Look at the other time system used -12 hour time. Find out what those letters 'am' and 'pm' really mean! Compare ...

Video

Measuring Speed (Simulation)

Students use this resource consisting of a webpage with diagrams of three cars that students can vary the speed at which they are travelling. They can calculate the time to travel 3000m and then observe the cars as they travel the distance. This demonstrates how to work out the speed of a moving object and how to make calculations ...