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St Augustine's Catholic Primary School

Go, do not be afraid and serve

Factor lines - May 18, 2022


As we continue our work on investigating properties of number this week, we have played the nrich games Factor Lines. At first we started using trial and error then realised that 21 would be the best number to position first as it has the fewest factors and multiples. We do find it frustrating to find all possibilities, especially if we forgot to work systematically.


If you would like to try, click on the link: