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MathXplosion, Ep 7: The power of exponents

Have you heard of the term "exponential growth"? Growth can occur very quickly when powers are involved. See how you can use the power of two to rapidly increase the amount of anything from grain to coins!

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Count Us In, Ep 14: How big is the magic bus?

How do we measure how big something is? Flynn and Dodley want to see who has the bigger toy bus. Which bus is taller, wider, longer? Flynn models how to measure his bus using sticks so he can make a garage for his 'magic' bus. The Flying girl and others also do some measuring.

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Catalyst: Magical maths

At first glance, maths and magic might not appear to have much in common, but did you know that you can use maths and logic to come up with solutions to problems that can seem magical? Learn one such maths trick in this video from ABC Catalyst. What is the probability of the letter not being 'e'?

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Count Us In, Ep 1: Comparing and classifying

Explore numbers with Flynn and Dodly as they compare their marble collection, dinosaur toys and the noses on Dodly's pictures. Who has more? Who has less? Who has the same? These are questions often asked during an ordinary day. Help Flynn work out how many dinosaurs Dodly has in his bag. Use the clues that Dodly gives Flynn.

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Mixed Up Maths, Ep 9: The giraffe ate it

When something has no chance of happening we say its impossible. Sometimes the chance of something happening is unlikely. Listen to these excuses explaining why the host did not do his homework. Which of his excuses might the teacher think, the chance of this happening is ... 'possible'?

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Right angle or acute angle?

What's the difference between a right angle and an acute angle? Find out!

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MathXplosion, Ep 17: Develop mathematical mind-reading skills

Amaze your friends with your super mind-reading skills. Here’s a brain game you can play by asking a few questions and substituting letters for numbers! Learn to follow a specific sequence of arithmetical steps to always arrive at the same answer.

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MathXplosion, Ep 2: Double that number

Explore an age-old multiplication method that repeatedly doubles numbers to get a product. Learn how this ancient method of multiplication is similar to that used by modern computers.

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For the Juniors: Measure ingredients to make a cake

Sarah is following a recipe. There are some different units of measure used in the recipe. Watch the video to see what these measurement words are. How much of each ingredient is needed? How are the ingredients combined to make the cake?

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Numbers Count: What are factors?

What are factors? Watch as the jelly babies in this clip show you! What are the factors of 12? How many factors does the number 11 have? Try explaining to a friend what a prime number is.

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What skills are important for programming robots?

Listen as David McKinnon from UNSW describes some of the skills that are useful to have if you want to program robots. David explains an activity that exercises problem solving skills. Why don't you try doing it? Look at a map and find some towns that are close to yours. Use the scale on the map to work out the distances ...

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MathXplosion, Ep 33: On the grid

Explore graphs, grids and mapping with a focus on reading and writing location data using coordinate geometry. Grids and maps illustrate the concepts of parallel/perpendicular lines (axes or labelled number lines), ordered pairs and intersection points.

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Fractions in the real world

How many quarters make up a whole? Watch this video to find out how else you can represent 2/4 and how to add up quarters to make a whole.

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MathXplosion, Ep 34: Kite symmetry

Unfurl the secret of symmetry used in kites to make them fly! A kite in geometry looks a lot like a kite in the sky. We see that a kite is a special quadrilateral in which one of its two diagonals (long and short) is also its axis of symmetry, and if you fold the kite along that diagonal, the two halves will match up exactly ...

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Mixed Up Maths, Ep 10: Treasure hunt

Can you read a map and follow directions? Well if you can chances are you can help us find the buried treasure. You'll need to know right from left, east from west, clockwise from anti-clockwise and over from under. Got all that? See you at Buccaneer's Refuge 'me hearties, arrgh'. Remember X marks the spot!

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MathXplosion, Ep 16: It's an estimate, not a guess!

An approximation is the nearest estimate without having the precise size or measurement of something. See how accurate estimates are made in logical ways using information about many things in our everyday lives.

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Numbers Count: Adding two numbers

How many different ways can you think of to add two numbers to reach ten? Watch this video to learn them all!

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Mixed Up Maths, Ep 11: Funny money

What do you use money to buy? In this clip we look at Australian money. See the different coins and notes that make up our money system. We investigate if size, (in coins) does matter. Check out how many 5 cent pieces you need to make two dollars. We also look at some currencies used around the world. Find out which country ...

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Mixed Up Maths, Ep 8: Strawberry milkshake warrior princess

Super heroes have amazing powers. To avert disaster we need a super hero who has intelligence, strength and speed. Which super hero has the right super units of each super power? Compare the super hero bar graphs. Will it be Mega Muscle Man, Atomic Angel, Keyboard Kid or some other super hero? Watch the clip to find out?

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MathXplosion, Ep 6: Zero the hero

What is the role of zero as a placeholder for large numbers such as 1 million, 1 billion and 1 trillion? Find out about the notion of place value and powers of ten through the act of bead counting.