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Listed under:  Mathematics  >  Measurement  >  Time
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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.

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Months of the year

How many months are there in a year? What are they? In what month is your birthday? In Australia, depending on where you live, you can have either four seasons or two. Find out how many seasons there are where you live. What are they? In which months do these seasons occur in?

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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 ...

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BTN: Leap second

We all know there are 60 seconds in a minute... or are there? Every few years an extra second is added to a day, and this is called a 'leap second'. Find out why we have leap seconds and why they mightn't be around for much longer.

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Count Us In, Ep 10: How long is a minute?

Dodly is getting ready for a very special occasion tomorrow. How will he fill in his time? How long does he have to wait? And what is his special occasion? With Dodly, Flynn and the Flying GIrl, investigate different ways of measuring time and discover how to read analogue and digital clocks.

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BTN: How many time zones are there in Australia?

Did you know that we have three time zones in Australia? This means that when it's 8am in Western Australia, it's 10am in Queensland and 9.30am in South Australia! Watch this clip to find out why we have different time zones and why South Australia is thinking about changing its time zone.

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Play School: Buttons and shapes

Have you ever looked at the buttons on your clothes? What shapes are they? You will find that most buttons are circles, but sometimes they can come in really different and interesting shapes, sizes and colours! What are some of the button shapes and colours mentioned in this video?

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Count Us In, Ep 15: Which Container Holds More Magic Rocks?

Flynn and Dodly are going on a camping adventure. Watch how they measure the capacity of different containers. Which container will hold the most? 'Dodly the Adventurer' needs a container to put all his precious rocks in. Can you find a container big enough?

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MathXplosion, Ep 24: Volumes and surface areas

Take two differently shaped containers, for example, a tall, skinny cylinder and a short wide one. Which one will hold more beads? The result may surprise you! It's all about capacity. Two containers with the same surface area can have very different shapes and sizes, so they can have different volumes and hold different ...