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 Post subject: math help
PostPosted: Sat Jul 30, 2011 5:31 pm 
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Joined: Thu Mar 17, 2011 12:58 pm
Posts: 92
Hannah made some biscuits for a party. She put all of them on plates. Each plate has the same number of biscuits.How many biscuits could have Hannah made.

Ans 21
( GL assessment- paper 5 (MC) Q No: 4)
Thanks,


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 Post subject: Re: math help
PostPosted: Sat Jul 30, 2011 6:36 pm 
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Joined: Mon Jun 18, 2007 2:32 pm
Posts: 6966
Location: East Kent
what were the options?


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 Post subject: Re: math help
PostPosted: Sat Jul 30, 2011 8:26 pm 
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Joined: Mon Mar 28, 2011 1:24 pm
Posts: 45
Hi,

First, the child has to realise that you have to use the answer sheet to work out the solution. Mine just sat chewing pencil in melancholy manner...

I think this question is trying to test knowledge of prime numbers because the options are 13, 17, 19, 21 and 23. 21 is not a prime number because it is divisible by seven, so the child could imagine three plates of seven biscuits, if you're lucky!

I do think these four new papers are more tricky than the original four.


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