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Video

Catalyst: Nautical Robots

How might you find out how much and where the Earth's oceans are warming? Watch the report by Ruben Meerman and discover how more than 3000 'nautical robots', known as argo floats, have been placed in the oceans to collect data on variations in temperature, pressure and salinity.

Video

Catalyst: Prime number keys

Have you ever wondered how modern day encryption works? How are messages and financial transactions kept hidden from cyber criminals and hackers? Listen to reporter Ruben Meerman and mathematician Simon Pampena discuss the largest prime number ever found and how prime numbers are used to encrypt electronic information.

Video

Catalyst: Prime numbers and unbreakable codes

Imagine if anyone was able to read all our secret, encrypted messages and information. Watch and find out how scientists at the Australian National University are developing a new encryption system using quantum physics and quantum computing.

Video

Catalyst: Probability and the birthday paradox

Even when a maths problem seems simple – for example, the chance of two people sharing a birthday – the maths can run counter to our human intuition. Mathematician Lily Serna poses a maths problem to the Clovelly Bowling Club: how many people do you need to gather to get a 50 per cent chance of any two people in that group ...

Video

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 ...

Video

Catalyst: Small scale measurements

What units of measurements do we use to describe incredibly small things like blood cells and atoms? Watch as you are taken on a journey to explain the different units of measurement that we use to describe the very small.

Video

Catalyst: Take the Phi Golden challenge

The golden ratio, Phi: fact or fallacy? What about the Fibonacci sequence? We are told this ratio and its cousin Fibonacci occur everywhere in nature. Let's see which of these claims stacks up when put to the test.

Downloadable

Categorisation

Use this task to assess students’ knowledge and understanding of properties of shapes, and language they use when describing common features.

Online

Cats, Dogs and Us: Education pack (years 1-2)

This education pack is an International Fund for Animal Welfare (IFAW) resource designed to build students' understanding about the special place domestic cats and dogs have in people's lives. The pack consists of a teaching guide, a student magazine and five student worksheets focusing on topics such as the physical characteristics ...

Online

Cats, Dogs and Us: Lesson plans (years 1-2)

This teacher resource is an International Fund for Animal Welfare (IFAW) resource designed to encourage students to examine the physical characteristics and natural behaviours of cats and dogs, and discuss the various ways we live with and care for cats and dogs around the world. It consists of five lesson plans, three ...

Downloadable

Chances are!

Students calculate the sum of probabilities for a chance experiment and compare frequency predictions with actual data.

Downloadable

Change course

Students identify transformations, and rotational and line symmetry, in regular and irregular polygons, and use transformations and symmetry to make a tessellating shape.

Online

Changing the culture: a numeracy tutorial program

This teacher resource describes strategies used to improve numeracy outcomes for Foundation to year 6 students at Carey Baptist College, Perth. The strategies include a numeracy assessment tool developed by a maths curriculum coordinator to identify students who needed to improve their understanding of measurement and number. ...

Image

Chinese abacus, c1900

This is a rectangular wooden abacus (15.5 cm x 29 cm x 2.5 cm), made in about 1900. It has two decks (divided horizontally by the beam) of 13 rods inserted vertically in the frame. On the bottom deck there are five wooden beads on each rod and on the top deck there are two beads on each rod. The abacus has a removable wooden ...

Online

Circles

This is a website designed for both teachers and students that refers to the properties of circles including the circumference and area from the Australian Curriculum for year 8 students. It contains material on finding circumferences and areas of circles, and the areas and perimeters of shapes formed from circles and other ...

Online

Circles and cylinders: Year 7 – planning tool

This planning resource for Year 7 is for the topic of Circles and cylinders. Students are introduced to the radius, diameter and circumference of a circle. They understand the relationships between these measures and can use relevant formulae to solve problems.

Online

Circles and cylinders: Year 8 – planning tool

This planning resource for Year 8 is for the topic of Circles and cylinders. Students recall and revise circumference, radius and diameter from Year 7. They understand the relationships between these measures and can use relevant formulae to solve problems.

Interactive

Circus towers: square stacks

Work out how many acrobats are needed to form square-shaped human towers. Start by building a square tower with four acrobats: two acrobats in the base layer and two acrobats standing on their shoulders. Examine a table and graph of the total number of acrobats in the towers. Predict the number of acrobats needed to build ...

Video

Clean-up time

This stop motion animation teaches sorting and graphing skills while cleaning up a messy room. Objects are sorted by color, type, and shape. The results are then grouped to find out which toys they have the most, least, and an equal number of.

Downloadable

Clever calendars

Students use calendars for a variety of purposes, exploring that calendars can look different and that Aboriginal and Torres Strait Islander peoples may recognise different seasons.