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• TLF-IDM025420

What is the "wisdom of a crowd"? Mathematician Lily Serna investigates a mathematical phenomenon that suggests that if you have a large enough crowd, with a broad variety of people making estimates, then the mean (average) answer of the crowd will be accurate! Find out if a crowd can guess the weight of Uluru from the ground ...

• TLF-IDM015926

Dodly and Flynn explore counting with ordinal numbers from first through to sixth. Investigate the order of ice-cream on an ice-cream cone, sheep being shorn and playing 'pass the parcel'. Where did the missing birthday cake go? Could it be the prize in pass the parcel?

• TLF-IDM015417

Have you ever made a big contribution to your local community? Heywire is a national competition that assists young people to make a difference in rural communities. Bridie Johnstone from Woodend, Victoria, was a finalist of the 2012 Heywire storytelling competition for young people. Listen to how she is using music to ...

• TLF-IDM020133

Watch this clip to find out about the relationship between authors and illustrators. What role does the publisher play in this relationship? What does Sally Rippin say about the role of illustrations in books for young children?

• TLF-IDM015449

How long is the Australian coastline? See Dr Derek Muller and Simon Pampena discussing the perimeter of the Australian coastline. Find out how the accuracy of that measurement depends on the length of the 'measuring stick' used. They discuss how a coastline is much like a fractal such as 'Koch's Snowflake'!

• TLF-IDM020944

Before you watch this video, guess the intended readership of Shamini Flint's Diary series about a boy playing sports. How did you come to this conclusion? Were you correct? Why do you think it's important for writers to think about who their intended readers are?

• TLF-IDM015545

Goannas are a type of Australian lizards. Listen to the lyrics of the song performed by Don Spencer that asks lots of fun questions about goannas. Watch some goannas moving through the bush and looking for food.

• TLF-IDM025001

Want to know the trick to making a really big fort? Using cushions to build a fort, explore the concept of finding the largest area for a fixed perimeter. Surprisingly, there is no direct relationship between the perimeter of a rectangle and its area.

• TLF-IDM020073

Have you heard of the 1967 Referendum, Vincent Lingiari or the Freedom Ride? The late 1960s was a period of great social upheaval with many young Australians unhappy with the treatement of Indigenous Australians and with Australia's involvement in the Vietnam War. How effective is Thomas Keneally's parallel between the ...

• TLF-IDM015836

Do you know a poem with the line 'I love a sunburnt country'? The poem is 'My country' by Dorothea Mackellar. Find out what inspired Mackellar to write this famous poem and how she felt about teenager Christine Roberts basing a song on it. This is a black-and-white clip from a 1967 current affairs program This Day Tonight.