Topics: Starter | Arithmetic

• Carla Libanati, London
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• This is an excellent way to make pupils think out of the box!
• Mr. Poate, Whitecross
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• Simple and easy, could do with more of a challenge. Top set year 9.
• Mrs Lingham's Year 8's, Harpenden
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• We enjoyed this starter but would like a plus sign please!!!!!
• A Kirby, Solihull. UK
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• This was really well recieved by my 16 year olds. They wrote all possible solutions down on paper and we incorporated BIDMAS. They were frustrated by the lack of a + sign but this made them think outside the box.
• Transum,
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• For many years I actually had a broken calculator just like this! It was an old cheap calculator that I'd pulled some buttons off. It made an excellent visual aid and stimulus for this activity. There are a number of different versions of the broken calculator activity on Transum that you can reach by clicking on the link lower down this page.
• Mr Tilston, Twitter
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• Great improvements made by S1 class today, their second time looking at @Transum's fab broken calculator activity. #MathsRockedToday

  — Mr Tilston Maths (@MrTilston) August 25, 2016

• Karen Donnelly, Twitter
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• Y3 students are loving the broken calculator challenge this morning! #STEAM #don'tgiveup #GirlsWhoCode @Transum pic.twitter.com/oCw0B06F6h

  — Karen Donnelly (@KarenDonnelly16) June 29, 2017

How did you use this starter? Can you suggest how teachers could present or develop this resource? Do you have any comments? It is always useful to receive feedback and helps make this free resource even more useful for Maths teachers anywhere in the world.
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