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 Post subject: Put the digits
PostPosted: Wed Sep 14, 2011 11:34 am 
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Joined: Wed May 25, 2011 10:36 pm
Posts: 35
Hi
Can anyone help with this question. Don't know how to explain this to a 10 year old.

Put the digits 1,2,3,6 & 7 in the boxes to make the calculation correct.

_ _ _ x _ _ = 9348

Answer 123 x 76

Many thanks.


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 Post subject: Re: Put the digits
PostPosted: Wed Sep 14, 2011 4:00 pm 
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Joined: Mon Feb 12, 2007 1:21 pm
Posts: 11934
Start thinking about the units which two MUST be multiplied together to get the 8 at the end ....

Then you know the last two number and can work from there ....


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 Post subject: Re: Put the digits
PostPosted: Thu Sep 15, 2011 12:24 pm 
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Joined: Wed May 25, 2011 10:36 pm
Posts: 35
Thanks very much.


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 Post subject: Re: Put the digits
PostPosted: Fri Sep 16, 2011 10:14 am 
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Joined: Tue Jul 21, 2009 9:56 pm
Posts: 8228
How would you explain the working from there for a child? If they do too much trial and error they will run out of time.


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