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Additive strategies: Video and teaching guide

This video explores the use of computation strategies, rounding and estimation in real-world, additive situations. Use the video with the supporting teacher guide as a springboard to explore mathematical concepts. A range of strategies such as compensation and partitioning are demonstrated. Estimation and rounding are highlighted ...

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Making a large wicking bed

Wicking beds are a fantastic invention, allowing crops to be watered more efficiently. Making a large wicking bed does involve a few steps and some preparation, however the benefits of this extra effort are water conservation, improved plant growth and better crops. The design of the wicking bed also provides opportunities ...

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Multiplication: 2 digit by 2 digit numbers: video and teaching guide

This video explores multiplicative strategies, methods and models to solve a given worded problem. It uses a scenario of a student helping a sibling to explore and discuss methods for solving the problem: ‘How many months has a 25 year old been alive?’ It shows how prior knowledge is required to know what type of calculation ...

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Decimal fractions video

Use this video to explore decimal fractions, how they are represented and how we use them in day-to-day contexts.

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Area and perimeter video

Use this video to connect area and perimeter to real world applications to set the context for why we are learning about area and perimeter.

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BTN: What is an abacus?

An abacus is a tool that helps people solve maths problems. Why might some people still use, and encourage the use of, an abacus when there are more contemporary tools like calculators?

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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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Odd and even numbers

Do you know what makes an odd number and what makes an even number? There are a few ways to test whether a number is odd or even. Find out about one method in this video, then see if you can discover at least one other method.

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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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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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Mixed Up Maths, Ep 13: Shapes glorious shapes

Did you know that not all pyramids have a square base? Investigate the bases and faces of some pyramids. Travel around the world as we view some famous structures. First stop, we're in search of a building that is a rectangular prism. Find out which world famous building is a pentagonal prism. See what type of 3 dimensional ...

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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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Catalyst: Probability and the gambler's fallacy

Mathematician Lily Serna visits Luna Park to explain a great probability pitfall. She shares a century-old tale from Monte Carlo casino, and then she puts its lesson to the test. If you flip a coin and it lands on heads three times in a row, what result would you predict for the next flip? Find out why intuition might land ...

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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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Mixed Up Maths, Ep 1: Monumental measurement mess ups

Did you know that in Australia we use a metric system for measurement? See if you know the units of measurement for length, mass and volume. Find out what system the United States uses. You guessed it - they don't use the metric system! See how a mix up of these units can cause all kinds of mess ups.

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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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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.

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What is a quarter?

What is a quarter? You get quarters when you divide a whole into four equal parts. Each one of these four parts is a quarter. Watch this great explainer produced by Monique in collaboration with ABC Splash and see how she explains quarters.

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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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Mixed Up Maths, Ep 3: What's in a year?

You may know of the four seasons. In the southern parts of Australia the year is often divided up into spring, summer, autumn and winter. But what about other parts of Australia? Find out what seasons they have in northern Australia. See how the year is divided into months and shown as a calendar. You'll also see how many ...