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• TLF-IDM015590

A prime number is a number that only has two factors: one and itself. Listen to Adam Spencer and Richard Glover discussing prime numbers. They cover how we define these numbers and how and why prime numbers are widely used in internet encryption.

• TLF-IDA002708

Examine the relationships between capacities of various containers. Look at three containers that may have different diameters, heights and shapes. Fill a container and squirt liquids between the containers to establish the proportional relationship. Work out the third 'unlinked' relationship from two known relationships. ...

• TLF-IDA003068

As a team, use your knowledge of tens and ones place values to help the goats release the treats from the piñata and have the GOAT party! Mathematical ideas and strategies this game supports: - Increasing and decreasing the value of 2-digit numbers. - Identifying the value of a digit based on its position in a numeral. - ...

• TLF-IDM024870

This interactive slideshow from the Royal Australian Mint provides a series of high resolution images and brief descriptions of currencies from Indigenous barter systems to modern Australian currency. A downloadable fact sheet on Australian coin history is accessible from selected pages within the slideshow.

• TLF-IDM017235

This learning object helps students to explore the history of currency including bartering, the development of cash systems, and the arrival of cards and ATMs, both in Australia and around the world. It provides an interactive time line which spans the development of currency around the globe from 9000BCE to today, and ...

• TLF-IDM015875

Find out about Dame Enid Lyons, the first woman to be elected to the Australian Parliament. Author Michael Fullilove discusses her background and political objectives. The program includes Dame Edith's maiden (first) speech to Parliament in 1943 as a member of the House of Representatives.

• TLF-IDM017559

What would it be like to be one of only two women in an Australian parliament dominated by men? That was the situation in 1943 when Dame Enid Lyons entered the House of Representatives and Dorothy Tangney entered the Senate. Find out what Lyons said about this at the end of her career in 1951.Then listen to an excerpt from ...

• TLF-IDM017561

Do most Australians think Canberra is a great city and that water makes a city 'great'? Former prime minister Sir Robert Menzies certainly thought so. When the American architect Walter Burley Griffin submitted his design for Australia's new capital city in 1911, it included damming a river to create a lake. Listen to Menzies' ...

• TLF-IDM011225

This resource is a BBC audio recording about Genghis Khan. It consists of an interview by Melvyn Bragg with three historians of the period, discussing Genghis Khan and the Mongol Empire. The discussion includes details of Genghis Khan's birth in the 12th century, his early life, his leadership of a great empire and his ...

• TLF-IDR8827

This is an edited sound recording of the Hon Alexandra Shackleton, grand-daughter of the Antarctic explorer Sir Ernest Shackleton. She recounts aspects of his leadership of a 1907-09 expedition to Antarctica, relating how, for the sake of the survival of his team, he abandoned his bid to be the first to reach the geographic ...