by David, 7 August 2019 | 2 comments

Terri was doing sums for her signwriting business. She worked out that one-third of six and two-thirds of eleven together made seven. Her maths might seem wonky, but she was completely correct. Can you work out what she was trying to do?

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by David, 24 July 2019 | 1 comments

There are three types of fruit in the fruit bowl: All pieces of fruit are bananas, except for three of them. All pieces of fruit are apples, except for four of them. All pieces of fruit are oranges, except for five of them. Can you work out how many pieces of each fruit are in…

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by David, 10 July 2019 | 0 comments

Alice, Bernice and Claire are all speedy bike riders. They decided to race against each other to find out who is fastest cyclist. They ran three races together. In two races, Alice beat Bernice. In two races, Bernice beat Claire.

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by David, 26 June 2019 | 4 comments

On Dr Vine’s desk there is some money. There are six pieces of Australian money. The money adds up to $63.

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by David, 12 June 2019 | 12 comments

I have four playing cards: two of them are black and two are red. I turn them face down so you can’t see the colours, and shuffle them so you don’t know which is which. If you pick two of these cards at random, are they more likely to be the same colour or different…

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by David, 29 May 2019 | 3 comments

Gerri has two identical square tarpaulins. Unfortunately, these tarps aren’t quite big enough to cover the brand new spa bath. So Gerri’s decided to cut the tarps and tape them together to make a bigger tarp. They want their final tarp to be a square, and they want it to be as big as possible….

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by David, 16 May 2019 | 1 comments

Running an election is a good way to let everyone have a say. In this example, we will be voting for the tastiest vegetable, but if you design your own ballot papers, you can use this method to run an election about anything!

Continue reading Run an electionby David, 15 May 2019 | 3 comments

Emily has twice as many brothers as she has sisters. Her brother Bill has one more sister than he has brothers. How many boys and girls are in Emily and Bill’s family?

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by David, 1 May 2019 | 4 comments

I’m thinking of a two digit number. If you add the digits together and then multiply by three, you get the number back again! What number am I thinking of?

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by David, 17 April 2019 | 4 comments

At Three Peaks School, they’re planning to build a gigantic triangle. The sides have just arrived, on the back of some truly ridiculous trucks, and with police escort. The longest side is 42 metres long, with the other two sides measuring 25 and 16 metres respectively. Can you work out the area of the triangle…

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