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 Post subject: help needed on number seriesPosted: Sun Apr 04, 2010 4:51 pm

Joined: Sat Feb 13, 2010 11:02 pm
Posts: 420
Hi,

Please help, I can't see the series so how am I supposed it explain to my DC.

35, 5, 30, 6, 24, (__), 16, 16

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 Post subject: Posted: Sun Apr 04, 2010 5:05 pm

Joined: Sun Oct 18, 2009 11:42 pm
Posts: 186
Hi, if I'm seeing it correctly I believe it's as follows:
35(/7), 5, 30 (/5), 6, 24(/3), 8, 16(/1), 16

So each number is divided by 2 less each time & the answer follows.
Hope this makes sense, I'm hopeless at explaining

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 Post subject: Posted: Sun Apr 04, 2010 5:14 pm

Joined: Sat Feb 13, 2010 11:02 pm
Posts: 420
thank you

I just couldn't see a pattern - but you explained it beautifully.

But I have never seen one this complex before (but then I haven't done any of the papers yet) - are 10 and 11 year olds really expected to work this out?

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 Post subject: Posted: Sun Apr 04, 2010 5:19 pm

Joined: Sun Oct 18, 2009 11:42 pm
Posts: 186
In our experience it got much easier once you get used to the patterns that are used, for example the one you just asked will show up in another set of questions or book, the numbers will of course be different but the theory exactly the same. If you keep using tests & books, the patterns should become much clearer.......hopefully
Best of luck!!

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 Post subject: Posted: Sun Apr 04, 2010 5:26 pm

Joined: Sat Feb 13, 2010 11:02 pm
Posts: 420

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 Post subject: Posted: Sun Apr 04, 2010 5:27 pm

Joined: Sun Oct 18, 2009 11:42 pm
Posts: 186
You're most welcome, glad to help!!

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 Post subject: Posted: Sun Apr 04, 2010 5:44 pm

Joined: Sat Feb 13, 2010 11:02 pm
Posts: 420
DC had no problems with it all - it is the mum that is the dumbo!

(I try the questions before hand so that I can go through them with him - maybe it should be the other way around.)

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 Post subject: Posted: Sun Apr 04, 2010 6:38 pm

Joined: Tue Oct 27, 2009 8:19 pm
Posts: 6257
Don't worry they do seem to get easier with practice - DS after practice seemed to be able to see the answer before I had understood the question

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Knowledge is knowing that a tomato is a fruit, wisdom is not putting it in a fruit salad !

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