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**Ordinary Level Maths Paper 2...Before/After**

  • 09-06-2012 11:01am
    #1
    Registered Users, Registered Users 2 Posts: 103 ✭✭


    So..are you ready?
    I know I'm not...I actually hate paper 2..at least the knew one
    Revising probability and statistics now


«134567

Comments

  • Registered Users, Registered Users 2 Posts: 127 ✭✭Princessxx


    Does anyone one have any idea where i could find the marking scheme for 2012 sample paper :/ could really do with it especially for trigonometry and geometry


  • Registered Users, Registered Users 2 Posts: 2,249 ✭✭✭Bears and Vodka


    If the Paper 2 is something like what we got in the mocks then I think it's alright. But speaking from experience it will probably be a completely different paper altogether with stuff we havent seen before :P


  • Registered Users, Registered Users 2 Posts: 220 ✭✭smithy77


    1 word... Screwed:(


  • Registered Users, Registered Users 2 Posts: 364 ✭✭Lago


    subz3r0 wrote: »
    If the Paper 2 is something like what we got in the mocks then I think it's alright. But speaking from experience it will probably be a completely different paper altogether with stuff we havent seen before :P

    This. If it's like the one in the mocks, which was essentially half a Foundation Level Geography exam, then I'll cry with happiness.

    If not, I'll screwed! Failing Maths here I come!


  • Closed Accounts Posts: 6,298 ✭✭✭Namlub


    Ahhh the pre paper was actually beautiful. I'm afraid they're going to make it really abstract and non-mathsy though...
    Is it true you only need to learn of theorems 11, 12 and 13 or is that HL?


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  • Registered Users, Registered Users 2 Posts: 659 ✭✭✭HowAreWe


    I'm pretty sure for OL you don't need to know any.


  • Registered Users, Registered Users 2 Posts: 3,989 ✭✭✭PictureFrame


    What's everyone doing for the constructions? I'm terrible at them and considering just learning the Circumcircle and Centroid of a Triangle?


  • Closed Accounts Posts: 1,323 ✭✭✭Cruel Sun


    I did well yesterday, but I'm worried about project maths, what a waste of time it is.


  • Registered Users, Registered Users 2 Posts: 103 ✭✭Schonie


    What's everyone doing for the constructions? I'm terrible at them and considering just learning the Circumcircle and Centroid of a Triangle?

    I actually dont know what construction you have to know for pass cause I just came down few weeks ago and forgot to ask the teacher...can someone tell me?:rolleyes:


  • Registered Users, Registered Users 2 Posts: 103 ✭✭Schonie


    Martin_94 wrote: »
    I did well yesterday, but I'm worried about project maths, what a waste of time it is.

    Agreed
    subz3r0 wrote: »
    If the Paper 2 is something like what we got in the mocks then I think it's alright. But speaking from experience it will probably be a completely different paper altogether with stuff we havent seen before :P

    Yeah...they are apparently trying to make it harder...I mean really? Why do they think we are in pass maths, right?:confused:


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  • Closed Accounts Posts: 6,298 ✭✭✭Namlub


    HowAreWe wrote: »
    I'm pretty sure for OL you don't need to know any.

    Oh, so is it just the axiom and corollary stuff?


  • Registered Users, Registered Users 2 Posts: 4,391 ✭✭✭Mysteriouschic


    I need to get at least 80% right . I did awful yesterday I'll be spending my day on maths paper 2 .


  • Registered Users, Registered Users 2 Posts: 127 ✭✭Princessxx


    does anyone know what constructions would be the best to know?


  • Registered Users, Registered Users 2 Posts: 661 ✭✭✭Mayo_Boy


    What theorems do we have to know? or will Q.6 be a construction or a theorem?


  • Closed Accounts Posts: 43 ThatGuy93


    Mayo_Boy wrote: »
    What theorems do we have to know? or will Q.6 be a construction or a theorem?

    +1

    Does anybody know what theorems we have to know? And is there a website we can look them up on?


  • Registered Users, Registered Users 2 Posts: 4,391 ✭✭✭Mysteriouschic


    You know Sample D paper on question one about the two study's.
    Is it talking about field and desk research or something else?


  • Registered Users, Registered Users 2 Posts: 641 ✭✭✭kilianmanning


    Anybody have any solutions on how to do standard deviation?


  • Registered Users, Registered Users 2 Posts: 153 ✭✭Raeone


    Anybody have any solutions on how to do standard deviation?

    You don't need to work it out, just use your calculator.

    Edit: You also don't need to know any theroms, just be aware of them incase ya decide to answer Q6 part B. More than likely this will be hard, as the SEC are trying to make part a easier since its the new project maths.


  • Registered Users, Registered Users 2 Posts: 2,249 ✭✭✭Bears and Vodka


    What's everyone doing for the constructions? I'm terrible at them and considering just learning the Circumcircle and Centroid of a Triangle?
    Princessxx wrote: »
    does anyone know what constructions would be the best to know?

    So, my Project Maths textbook says we need to know the following:

    1. Constructing an angle of 60 degrees.
    2. How to construct a tangent to a circle at a given point on it.
    3. How to construct a parallelogram, given the legths of the sides and the measures of the angles.
    4. How to construct the circumcircle of a given triangle.
    5. How to construct the incircle of a given triangle.
    6. How to construct the centroid of a triangle.

    I highlighted the ones that I personally think they might ask us.
    Raeone wrote: »
    You don't need to work it out, just use your calculator.

    By the way, I need to learn how to do that :/ Sharp calculator..


  • Registered Users, Registered Users 2 Posts: 661 ✭✭✭Mayo_Boy


    Just say I didnt look at any theorems but knew how to do the constructions, would I be safe for Q.6?


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  • Registered Users, Registered Users 2 Posts: 2,249 ✭✭✭Bears and Vodka


    Mayo_Boy wrote: »
    Just say I didnt look at any theorems but knew how to do the constructions, would I be safe for Q.6?

    What if there are no constructions but they ask you stuff about theorems and the converse of theorems instead? Learn what a theorem is, an example of one and learn the converse of that theorem and the definition of what a converse is.


  • Registered Users, Registered Users 2 Posts: 153 ✭✭Raeone


    subz3r0 wrote: »
    So, my Project Maths textbook says we need to know the following:

    1. Constructing an angle of 60 degrees.
    2. How to construct a tangent to a circle at a given point on it.
    3. How to construct a parallelogram, given the legths of the sides and the measures of the angles.
    4. How to construct the circumcircle of a given triangle.
    5. How to construct the incircle of a given triangle.
    6. How to construct the centroid of a triangle.

    I highlighted the ones that I personally think they might ask us.



    By the way, I need to learn how to do that :/ Sharp calculator..

    They can ask all the other constructions too but they are the points I predict they will ask. Sharp EL-W531?

    Mayo_Boy wrote: »
    Just say I didnt look at any theorems but knew how to do the constructions, would I be safe for Q.6?

    You have a choice of A or B. A is constructions, enlargements and deffinitions and B is when you have to prove something.


  • Registered Users, Registered Users 2 Posts: 2,249 ✭✭✭Bears and Vodka


    Raeone wrote: »
    They can ask all the other constructions too but they are the points I predict they will ask. Sharp EL-W531?

    Yes, Sharp EL-W531.


  • Registered Users, Registered Users 2 Posts: 153 ✭✭Raeone


    subz3r0 wrote: »
    Yes, Sharp EL-W531.

    I'll try the best I can over here but best to get someone to run it over with ya before the exam....

    E.G your asked to get standard deviation of 2, 3, 6, 9 and 8

    Press Mode, then press 1:STAT, then O:SD,

    Press 2, then change (just above the bracket),
    3, the change,
    6, then change etc.

    when thats all in press ALPHA and then 6 then press = and you should get 2.7


  • Registered Users, Registered Users 2 Posts: 2,249 ✭✭✭Bears and Vodka


    Raeone wrote: »
    I'll try the best I can over here but best to get someone to run it over with ya before the exam....

    E.G your asked to get standard deviation of 2, 3, 6, 9 and 8

    Press Mode, then press 1:STAT, then O:SD,

    Press 2, then change (just above the bracket),
    3, the change,
    6, then change etc.

    when thats all in press ALPHA and then 6 then press = and you should get 2.7

    Wow that's a lot of steps. Thanks so much! I'll defo practice that so I remember it :)


  • Registered Users, Registered Users 2 Posts: 153 ✭✭Raeone


    subz3r0 wrote: »
    Wow that's a lot of steps. Thanks so much! I'll defo practice that so I remember it :)

    No bother, I'm not sure if its easy to understand as its hard to explain without being face to face. Also remember to reset your calculator at the back every time you move onto a new question after standerd devation and change the mode back when you need to go back to normal questions.


  • Registered Users, Registered Users 2 Posts: 13 Laurasteel


    Can anybody help me with study for this paper? I have no idea what to do? What is definitely coming up?? And how do I study?!? Thankssss


  • Registered Users, Registered Users 2 Posts: 2,249 ✭✭✭Bears and Vodka


    Laurasteel wrote: »
    Can anybody help me with study for this paper? I have no idea what to do? What is definitely coming up?? And how do I study?!? Thankssss

    Do all the Project Maths Paper 2s in your exam papers and make sure you know how to do everything.


  • Registered Users, Registered Users 2 Posts: 13 Laurasteel


    Ok thank u!! There is so much different stuff !!! I hope the paper is a nice one


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  • Registered Users, Registered Users 2 Posts: 4,391 ✭✭✭Mysteriouschic


    Do we need to know the empirical rule?


  • Registered Users, Registered Users 2 Posts: 153 ✭✭Raeone


    Do we need to know the empirical rule?
    Yes!


  • Registered Users, Registered Users 2 Posts: 4,391 ✭✭✭Mysteriouschic


    Raeone wrote: »
    Yes!

    Ah my teacher told us we didn't need to know it omg my teachers useless :eek:. She skipped that question.
    Can anyone explain to me what the empirical rule is?


  • Registered Users, Registered Users 2 Posts: 145 ✭✭Astrozombies


    Do we need to know the empirical rule?

    Is that the same as calculating Z scores? Cos It's basically calculating the probability that something will lie in 3 (i think) standard deviations of a graph


  • Registered Users, Registered Users 2 Posts: 2,249 ✭✭✭Bears and Vodka


    Thats all you need to know tbh

    Empirical_Rule.gif


  • Registered Users, Registered Users 2 Posts: 2,888 ✭✭✭Fergus_


    I'm really freaking out about this, I didn't do well in Paper 1 so I need at least 70% in this paper and I'm not confident that I'll get that.


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  • Registered Users, Registered Users 2 Posts: 661 ✭✭✭Mayo_Boy


    Fergus_ wrote: »
    I'm really freaking out about this, I didn't do well in Paper 1 so I need at least 70% in this paper and I'm not confident that I'll get that.

    Im the same. Just really want to pass maths at this stage :(


  • Registered Users, Registered Users 2 Posts: 4,391 ✭✭✭Mysteriouschic


    Fergus_ wrote: »
    I'm really freaking out about this, I didn't do well in Paper 1 so I need at least 70% in this paper and I'm not confident that I'll get that.
    Mayo_Boy wrote: »
    Im the same. Just really want to pass maths at this stage :(

    Me 3 this maths thing is annoying me and I know I only got like maybe 2/3 questions right but not even the full question so I've failed paper 1. I need paper 2 to go well or I repeat again :(.


  • Registered Users, Registered Users 2 Posts: 4,391 ✭✭✭Mysteriouschic


    Themathstutor.ie is a great website it really helps I've learnt so much in a day.
    You just sign up it's free and he goes through the sec sample.

    They have a twitter and facebook account so you can ask questions.


  • Registered Users, Registered Users 2 Posts: 659 ✭✭✭HowAreWe


    Themathstutor.ie is a great website it really helps I've learnt so much in a day.
    You just sign up it's free and he goes through the sec sample.

    They have a twitter and facebook account so you can ask questions.


    checking it out now :) seems very good!


  • Registered Users, Registered Users 2 Posts: 21 ashalingable


    What's everyone doing for the constructions? I'm terrible at them and considering just learning the Circumcircle and Centroid of a Triangle?

    What's the centroid of a triangle??? :O :/


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  • Registered Users, Registered Users 2 Posts: 2,249 ✭✭✭Bears and Vodka


    What's the centroid of a triangle??? :O :/

    centroid.jpg


  • Registered Users, Registered Users 2 Posts: 4,391 ✭✭✭Mysteriouschic


    To draw the centroid do you like just have the compass from one of the points. Then from that point stretch your compass to one of the sides then do the same to another side ?


  • Registered Users, Registered Users 2 Posts: 5,578 ✭✭✭WarZoneBrother


    Does everyone not find Paper 2 to be easy? Well compared to paper 1?


  • Registered Users, Registered Users 2 Posts: 153 ✭✭Raeone


    To draw the centroid do you like just have the compass from one of the points. Then from that point stretch your compass to one of the sides then do the same to another side ?

    Just use your rular to measure half way across the line.


  • Registered Users, Registered Users 2 Posts: 46 lisa94


    hey does any one know where i can find the sample paper answers for paper 2? ive tried axaminations.ie but i cant find them anywhere :(


  • Registered Users, Registered Users 2 Posts: 46 lisa94


    i have the exact problem cannot find them anywhere :(


  • Registered Users, Registered Users 2 Posts: 2,249 ✭✭✭Bears and Vodka


    To draw the centroid the graphical way you:
    1. bisect each line to get a midpoint of each line. Hope you know how to do that.
    2. You join the every midpoint to the opposite angle of that midpoint.
    3. Where they intersect is the midpoint.


  • Registered Users, Registered Users 2 Posts: 4,391 ✭✭✭Mysteriouschic


    This has some of the samples but not all of them just the 2011 and 2012.
    http://www.studentxpress.ie/projectmathspapers.html

    You could always tweet or facebook the maths tutor they reply and help you out :).


  • Registered Users, Registered Users 2 Posts: 153 ✭✭Raeone


    subz3r0 wrote: »
    To draw the centroid the graphical way you:
    1. bisect each line to get a midpoint of each line. Hope you know how to do that.
    2. You join the every midpoint to the opposite angle of that midpoint.
    3. Where they intersect is the midpoint.

    Yes, but for that construction, you can also just use the rular to measure it rather than bisecting it.
    E.G 1. meausre half way across AB, BC and AC.
    2. connect each point to the opposite angle
    2. their intersection is the midpoint.


  • Registered Users, Registered Users 2 Posts: 21 ashalingable


    subz3r0 wrote: »
    To draw the centroid the graphical way you:
    1. bisect each line to get a midpoint of each line. Hope you know how to do that.
    2. You join the every midpoint to the opposite angle of that midpoint.
    3. Where they intersect is the midpoint.

    i do! :P and thank you!


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