Seeing Squares

A Maths Starter of The Day

53659221354368408354
50264056777193941653
81836616843520657599
86593676547252383415
46484096699575052539
91876682181257707291
92275859582987602131
14608342852511692601

How many square numbers greater than 10 can you find in the lists above?

Artist

 

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Keywords: Starter | Number Patterns

  • 7A1 , St Cecilia's Lancashire
  • Friday, January 09, 2009
  • "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
  • Thursday, January 07, 2010
  • "This class went up to 21 squared and found 25 answers. They noticed that each row was also a perfect square."
  • J Hitchcox,
  • Wednesday, January 13, 2010
  • "Found 225 on this puzzle too. There were others if you were allowed to go vertically."

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This starter has scored a mean of 3.3 out of 5 based on 55 votes.

 

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Answers

53659221354368408354
50264056777193941653
81836616843520657599
86593676547252383415
46484096699575052539
91876682181257707291
92275859582987602131
14608342852511692601

The square numbers are in red. (If no red numbers can be seen then the answer is zero!)

Note to teacher: Doing this activity once with a class helps students develop strategies. It is only when they do this activity a second time that they will have the opportunity to practise those strategies. That is when the learning is consolidated. Click the button above to regenerate another version of this starter from random numbers.