Search results

• TLF-IDM016769

A simple interactive simulation in which students compare probabilities.

• TLF-IDM020281

Learn how to multiply and divide decimals by 100. Based on this video, see if you can work out how to multiply and divide decimals by 10 and 1000. What do you get if you multiply 0.375 by 10?

• TLF-IDM024908

Take two differently shaped containers, for example, a tall, skinny cylinder and a short wide one. Which one will hold more beads? The result may surprise you! It's all about capacity. Two containers with the same surface area can have very different shapes and sizes, so they can have different volumes and hold different ...

• TLF-IDM015447

If you were asked what the biggest number you can think of is, what would you say? Infinity? Well, what about the biggest finite number you can think of? Mathematician Ron Graham came across such a gigantic number in his research that, to capture its massive size, he and his colleagues needed to come up with new methods ...

• TLF-IDM016201

An interactive simulation in which students use Pythagoras' theorem can be used to find distances.

• TLF-IDM015448

The Leaning Tower of Gingin is the centrepiece of the Gravity Discovery Centre. The Catalyst team of Derek, Simon and Anja drop watermelons from the tower, to examine the rate at which they fall. They are testing Galileo's theory about falling objects. The dimensions of the tower provide an opportunity to apply some basic ...

• TLF-IDM017685

Ever noticed that plants are examples of Fibonacci numbers? Watch Vi Hart draw examples of flower petals and leaf growth that follow this pattern. See how plants seem to use Phi (.), the golden ratio. Find out how to make your own 'angle-a-tron' to create interesting petal designs. This is the second in a series of two.

• TLF-IDM024988

Origami folds have associated geometric patterns or "paper trails" in which we are able to visualise different types of triangles, angles, polygons, lines and symmetry. Use these patterns to turn a two-dimensional flat sheet of paper into a three-dimensional hopping frog!

• TLF-IDM024976

How would you measure and compare the weight of something? Learn why big things aren't necessarily heavy. All you need is something heavy and a lot of something light and you’ll be able to prove that weight is not the same as size.

• TLF-IDM015978

What is the chance for Flynn and Dodly that it will rain at the beach? Dodly takes his umbrella and gumboots just in case it rains, and his scarf and gloves in case it gets cold. Explore the language of chance with the two monsters. What is the chance Dodly will pick a blue lolly out of the bag of four lollies?