by David, 26 November 2020 | 0 comments

The holidays are coming, and it’s time to start decorating. What better way than a bright, colourful, mathematical star decoration!

Continue reading Cone starby David, 25 November 2020 | 0 comments

By Rok Willesee Difficulty: Fun An engineer has asked you to help him count the number of triangles in this roof truss. He thinks there are five, but his boss thinks there are more. How many triangles can you see?

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by Fiona, 11 November 2020 | 0 comments

Abelina and Ben bought a bag of jelly beans, and decided to split it. When they shared the jelly beans out, they split evenly and there wasn’t any remainder.

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by David, 28 October 2020 | 0 comments

By Rok Willesee Difficulty: Tricky A scientist was looking back at notes they made about their experiments. Unfortunately, in one experiment the scales didn’t work. Can you help them work out what the weight should be in the final experiment?

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by David, 22 October 2020 | 0 comments

Here’s a quick sliding puzzle to get your brain pumping. See if you can separate the light and dark counters in as few moves as possible!

Continue reading Unchecker the boardby David, 14 October 2020 | 3 comments

Difficulty: Taxing Jenny found a strange sum written on a piece of paper: EGG + EGG = PAGE Each letter represents a different digit, so P might be 1, for example. Can you work out what the sum really is?

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by David, 1 October 2020 | 0 comments

In this sample from More Hands-on Science, we’re looking at infinitely detailed shapes known as fractals. If you do this activity, you can discover a fractal called the dragon curve!

Continue reading Dragon curvesby David, 30 September 2020 | 0 comments

Difficulty: Taxing Grab a calculator (or a pen and paper) Choose a three-digit number (e.g. 123) Multiply it by 7 Multiply the answer by 11 Multiply that answer by 13 You will get your starting number written out twice! (e.g. 123 123) The question is, can you work out why?

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by David, 17 September 2020 | 0 comments

Around 3500 years ago, the Minoan people lived on the island of Crete. They had a written language, now known as Linear A, which archaeologists cannot decipher. They also had an advanced number system, which experts are finally beginning to crack!

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by David, 16 September 2020 | 1 comments

Difficulty: Tricky We’re going to make a magic triangle! Take the numbers 1–6 and arrange them in a triangle with three numbers on each side. Swap them around until the sides all add up to the same number.

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