Topics: Starter | Number

• 7A1 , St Cecilia's Lancashire
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• We noticed that you missed some of the square numbers for example you highlighted 25 in red it had a 6 next to it and 256 is a square number.
• Grade 11 College Class, Port Hope, Ontario, Canada
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• This class went up to 21 squared and found 25 answers. They noticed that each row was also a perfect square.
• J Hitchcox,
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• Found 225 on this puzzle too. There were others if you were allowed to go vertically.
• 10.1B, AGGS
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• Thea spotted that the entire top row was a square number. Tilly was there too.
• Alaa 5O, Roxeth Primary School
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• I found out the number 16 because I did it in school with my maths teacher Mrs Clague.
• Transum,
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• Please note that each time this page is loaded a different set of numbers are provided in the grid above. That might help you understand the comments above and reassure you that you aren't going mad if you can't see the numbers being referred to. It also means that you can use this starter on multiple occasions with a class as it will be different every time. There are more randomly generated starters listed on the Random Starter page.

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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