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Guess Who’s my number? Activity

by David, 28 December 2015 | 0 comments

You will need The board game ‘Guess Who’ or a similar game. If you don’t have a copy, you could use a large box to hide your numbers from your opponent. Three printed copies of the ‘Guess my number’ sheet: you can download it here Scissors Someone to play with

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Lolly half-life Activity

by David, 5 May 2015 | 0 comments

You will need Bag of M&Ms or Skittles or any lollies with writing on one side. Masking tape Marker pen Ruler Food-safe gloves Large, flat-bottomed container What to do

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Supermarket sweep Activity

by David, 24 February 2015 | 0 comments

You will need Pen and notepad Supermarket Someone to play with (optional) What to do The aim of this activity is to write down prices of items, so the total is close to $10

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A game of Sprouts Activity

by David, 10 February 2015 | 0 comments

You will need Pencil and paper Someone to play with What to do Draw at least two big dots on the paper. These are called spots. Decide who gets to go first. On your turn, draw a line from one spot to another spot. When you finish drawing your line, put a spot somewhere along…

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A puzzle for 2015 Activity

by David, 1 January 2015 | 7 comments

Happy New Year! A few years back, we posted a puzzle to celebrate the new year. Here it is again, but we think it might be harder this time around! Using the digits 2, 0, 1, 5 once each and any of the signs + – x ÷, can you make the number 1? How…

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Speed camera Activity

by David, 21 October 2014 | 0 comments

Safety: This activity is about watching cars. Younger mathematicians should ask an adult to supervise. You will need Two stopwatches Clipboard and paper or an exercise book Pen Long tape measure or trundle wheel

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Brainteaser: Fred’s weird teacher Brainteaser

by David, 18 September 2014 | 0 comments

Macro shot of human hand drawing red check mark in checklist box

Fred’s teacher has a weird way of marking tests. He gives five marks for a right answer, but subtracts one for a wrong one. Fred answered 20 questions on a test and got 70 marks. How many questions did Fred get right?

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Clever counting keeps fusion firing News

by David, 14 August 2014 | 1 comments

A twisty pink loop is contined within shiny rings.

The Australian National University recently renovated their fusion reactor. This magnetic marvel harnesses immense pressures and temperatures to replicate the reactions that power our Sun. And there’s a lot of maths that helps to keep the reactions going! A fusion donut Fusion reactors use hydrogen as fuel. Under intense heat and pressure, the electrons leave…

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Prefix Quiz ActivityQuiz

by David, 29 July 2014 | 0 comments

An octopus showing off its legs.

Many words have secret numbers hidden within! Discover them with this pair of quizzes. You can download a printable PDF quiz here.

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Spot the rice Activity

by Pat, 8 July 2014 | 0 comments

a container of rice with a few black grains.

You may have heard a climate scientist talking about ‘parts per million’ or ppm. If you want to get a handle on what that means, and how much CO2 is in our atmosphere, you’ve come to the right place!

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