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 Post subject: GL pack 2 paper 5-help!
PostPosted: Wed Aug 28, 2013 10:33 pm 
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Joined: Wed Nov 02, 2011 9:45 pm
Posts: 118
Hello all

Please could I have some help with following Q:

There are 816 pupils in a school. There are 28 more girls than boys in the school.How many girls are there?

The answer is 422.

Many Thanks


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PostPosted: Wed Aug 28, 2013 10:43 pm 
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Joined: Sat Jan 12, 2013 10:02 pm
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Roz12 wrote:
Hello all

Please could I have some help with following Q:

There are 816 pupils in a school. There are 28 more girls than boys in the school.How many girls are there?

The answer is 422.

Many Thanks


*816 - 28 = 788 --> We take away the number of girls
*788/2 = 394 --> We have to split the number in half in order to work out the number of boys and girls
*There are 394 boys and at least 394 girls
*394 + 28 = 422 --> We have to add the 28 girls back to find the total number of girls in the school


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PostPosted: Thu Aug 29, 2013 4:06 pm 
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Thanks so much! :D


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PostPosted: Fri Aug 30, 2013 9:41 am 
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Joined: Sat Jan 12, 2013 10:02 pm
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Roz12 wrote:
Thanks so much! :D


You're welcome. :)


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PostPosted: Fri Aug 30, 2013 10:31 am 
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Joined: Tue Jul 21, 2009 9:56 pm
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My dd does this kind of q differently. She halves the number to find out what it would have been if they were equal. Then she halves the difference given in the question and adds this or takes it away from the midpoint depending on what the question is asking. You could draw this out too for your child if it helps. There are a lot of question on the same theme in schofield and sims, bond assessment papers etc.


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