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Intermediate Maths Challenge 2009 watch

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    As has been stated due to exceptionally adverse weather conditions some schools will not be taking the challenge until Monday. I have asked the moderators to remove the details posted about the paper and would ask that noone else posts questions or answers until they are made available on our website www.ukmt.org.uk on Tuesday. Many thanks Mary Wimbury, UKMT Director
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    I know that it's possible to purchase past papers from the UKMT website, but does anyone know where I could get them without having to go to such trouble? I'm especially looking for solutions to the 2000 paper.
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    (Original post by rupertj)
    I know that it's possible to purchase past papers from the UKMT website, but does anyone know where I could get them without having to go to such trouble? I'm especially looking for solutions to the 2000 paper.
    www.freeexampapers.com
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    (Original post by TeDaX)
    www.freeexampapers.com
    I couldn't find them on this website, are you sure they are on it! :confused:
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    (Original post by S-T)
    I couldn't find them on this website, are you sure they are on it! :confused:
    They're not. Just ask in school. To be honest, past papers won't really help with this challenge, you will have to think on the spot.
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    (Original post by S-T)
    I couldn't find them on this website, are you sure they are on it! :confused:
    No I'm not. I thought you might find them there
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    http://www.highlandbridge.co.uk/UKMT/teachers/
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    Thanks, but would you know where to find earlier papers?
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    (Original post by rupertj)
    Thanks, but would you know where to find earlier papers?
    nah sorry mate, no problem
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    Isn't anybody else taking this? I'm surprised by the lack of interest...
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    (Original post by rupertj)
    Isn't anybody else taking this? I'm surprised by the lack of interest...
    I am
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    (Original post by Jessicax)
    I am
    Could you give me some advice? I'm not that great...
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    (Original post by rupertj)
    Could you give me some advice? I'm not that great...
    most of the questions usually come down to a bit of logic. from what i remember, a good section of the questions a geometry based, so GCSE circle theorems might be quite important, as well as formulae areas/volumes of different shapes, and things like similar triangles, ratios of lengths/areas/volumes etc. there's not really much else to it; a bit of algebra, which doesn't go past GCSE level. i don't remember any number theory in it at all... IIRC on the first 15 questions, you can't lose any marks for getting a wrong answer, so best to answer all of those for a good score: perhaps if you've narrowed the choices down to 2 or maybe 3, a logical guess could come into it. in fact, some of the time, rather than solving the question at hand, you could answer a few questions correctly by looking at the choices and finding which one fits the question....
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    (Original post by GHOSH-5)
    most of the questions usually come down to a bit of logic. from what i remember, a good section of the questions a geometry based, so GCSE circle theorems might be quite important, as well as formulae areas/volumes of different shapes, and things like similar triangles, ratios of lengths/areas/volumes etc. there's not really much else to it; a bit of algebra, which doesn't go past GCSE level. i don't remember any number theory in it at all... IIRC on the first 15 questions, you can't lose any marks for getting a wrong answer, so best to answer all of those for a good score: perhaps if you've narrowed the choices down to 2 or maybe 3, a logical guess could come into it. in fact, some of the time, rather than solving the question at hand, you could answer a few questions correctly by looking at the choices and finding which one fits the question....
    Thanks; would you know where to obtain papers from? I guess not, since you would have said so?
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    (Original post by rupertj)
    Thanks; would you know where to obtain papers from? I guess not, since you would have said so?
    i'll post a few in a bit.
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    2004
    2003
    2002
    2001
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    Thanks a lot, but would you have the solutions?

    If it would take you a while to get them, then it doesn't matter. :o:
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    (Original post by rupertj)
    Could you give me some advice? I'm not that great...
    Concentrate on questions 1-15. Never guess 21-25, as you probably would lose 10 marks.

    1) Attempt to answer 1-15.
    2) Any you can't answer, leave them to later.
    3) Look at 16-20 and answer the ones you like the look of.
    4) Look at 21-25 and answer the ones you like the look of.
    5) Go back to any unanswered questions from 1-15. If you have no idea on a question, just guess it.
    6) Look at other questions from 16-25.

    Last 5-10 minutes:
    1) Make sure you have transferred all the answers across.
    2) Guess (educated, if possible) the remaining questions 1-15.
    3) If you can make an educated guess (from 2 or 3 possible answers) do so for 16-20.
    4) Don't guess 21-25 - unless its a 50:50 choice. Generally you will lose marks if you guess all of them.

    Learn circle theorems and anything geometric. In fact, good geometry is vital and makes up a good 20% of maths challenges/olympiads. Basically know circle theorems, angles (alternating, in a triangle, etc) and know how to find the interior and exterior angles for regular polygons.

    Find the definition of a prime factor and know how to find it out. eg:
    Spoiler:
    Show

    2009
    [Does it divide by 2? No]
    [Does it divide by 3? No]
    [Does it divide by 5? No]
    [Does it divide by 7? Yes]

    2009=7*287

    287
    [Does it divide by 7? Yes]

    287=7*41

    41
    [Does it divide by 7? No]

    7*7=49, which is larger than 41. Anyway, 41 is a prime number.

    So 2009=7*7*41

    That's basically prime factors.

    Utterly shameful :no: I've got too much time.

    Oh, and there's a load of other things which comes naturally...but then again, I have never actually 'revised' for one of these - just a load of practice - it took me 2 years to get into the olympiad (year 9).
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    (Original post by rupertj)
    Thanks a lot, but would you have the solutions?

    If it would take you a while to get them, then it doesn't matter. :o:
    i could make some for you probably. best to have a go yourself first, before looking at the solutions.
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    (Original post by TheTallOne)
    Oh, and there's a load of other things which comes naturally...but then again, I have never actually 'revised' for one of these - just a load of practice - it took me 2 years to get into the olympiad (year 9).
    Always been in the British team or just that once?
 
 
 
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