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Found 55 results

  1. This is a document my teacher gave us to help us understand the exploration' s requirements a bit better. I hope its useful!
  2. pictionaryoverlord

    Subject Selections DP1

    Hey, could you look over my subject selections? I want to do cosmology and astrophysics in Uni. Physics HL Maths HL/Further if possible English HL Chemistry SL French AB Business Management SL
  3. I'm a first-year IB student taking Maths HL and our class is currently using the Oxford textbook (the one with the purple flower on the cover). Personally, I find that the explanations/examples are lacking in this book which is a real problem since I practically have to self-study the subject because the teacher is crap. Also, lots of people say the questions in the Oxford book are a lot easier than the questions on the actual Maths HL exam. I have every Maths HL textbook on PDF so getting them won't be a problem. I just haven't gotten the time to reference any other book besides the Oxford one since the class progresses really fast. Please leave your textbook recommendations below and your thoughts on other textbooks in the hellish realm of Maths HL. Thank you in advance!
  4. RoshanRamnani

    HL and SL combined classes

    Is it just us, or do you guys also have Math HL and SL combined classes. The teacher complained about this, but due to everyone's subject choices, making HL and SL classes separate was impossible and it worries me because the teacher goes at a much slower pace during SL lessons and this makes me worried we wont finish the Math HL syllabus in time :/
  5. sophiesunflower

    Need your opinion on my subject choice!!

    Hi guys! I would love to know what you think about my IB subject choices. I started the IB programme one month ago, so I still have same time to change my mind. Right now I am studying: English A, French B, Mathematics & Geography - HL Polish A, Biology - SL Could you please tell what you think about this set? What courses could I take at the university level? Personally I have thought about economics, finances, law or something connected with french language. I will be extremely grateful for your help Have a nice day! xxx
  6. SuicideFive

    Maths HL Formula Booklet

    Hey guys, I've just realised that my formula booklet is for the 2014 examinations, rather than the 2016 exams which I'll be taking. Could anyone please give me a link to download the 2016 formula booklet? Cheers.
  7. I recently had my first HL mathematics mock exam on topic 1 of the curriculum. It followed the same pace and style of the final exams. Despite preparing pretty well (and for a long time), the test caught me by surprise, and didn't go well at all. The pace especially was very hard to keep up with. From all of you people, I'd like to ask, what are some ways to get better at doing the hl maths exams, how to better prepare for them, and please feel free to give any tips and tricks in general. Thanks!
  8. Hi! I'm in 1 IB now but I made this mistake and took Maths HL. At the beginning of the year I had 3 HLs: Physics HL, Maths HL and French B HL. My school doesn't allow any changes 2 weeks after choosing subjects, but I managed to change also Arts SL to HL as I want to go for Architecture Design. I can't change the levels of Maths but I still got 4 HLs. I'm afraid I will have a bad grade from Maths on exams. So can I write the November session exams (retake) but with Maths SL? I will still have 3 HLs (Physics, Arts and French B). Because if not, I will be looking for A-levels. To have 2 certificates, because I will really fail the Maths exams and I'm heading for UCL.
  9. ---Author's Note--- This is the third draft of a concise guide I'm working on in regards to the new mathematical exploration IA; this started as an HL guide but has now been generalized to include the SL curriculum as well. Please do let me know if there are any improvements you can suggest, or any questions you have after reading through this. I plan to keep this updated and add to it as I work though my own IA. Thanks for taking the time to read through! ------------------------ Table of Contents Preface and Introduction to the Exploration The Process (to be added) Formatting (to be added) Acceptable Topics (SL) Acceptable Topics (HL) Grading and Evaluation​​​​​ Criterion A - Communication (to be added) Criterion B - Mathematical Presentation (to be added) Criterion C - Personal Engagement (to be added) Criterion D - Reflection (to be added) Criterion E - Use of Mathematics (SL Only) (to be added) Criterion E - Use of Mathematics (HL Only) (to be added) Sample Papers Postface and NotesPreface and Introduction to the Exploration The Mathematics SL/HL Exploration internal assesment. It is certainly a difficult assignment - a paper on math isn't the easiest thing to write. I've written this guide up to clarify a few questions and hopefully help out with your work. However, please don't just trust what I say do some of your own research as well because I cant hope to claim everything I say is entirely accurate. I hope this helps! In essence, this is an exploration of a topic in mathematics that has a real-world connection, done in a rigorous manner that connects back to the material we have covered and will cover in class. 6-12 pages in length should be appropriate enough to concisely explore your chosen topic with the depth required and complete the necessary parts of evaluation as shown in the rubric. You want to write at a level and regarding mathematics that is accessible to other students. For HL students, this generally means anything within the HL core curriculum and any option is fair game. Just be certain to provide requisite explanation for any material beyond those two areas and for options not covered in class, to the extent that your classmates can understand the work you've done with some thought. The Process <to be added> Formatting <to be added> Acceptable Topics (SL) <to be added> Acceptable Topics (HL) I've been asked a lot of questions about acceptable topics for the IA's mathematical focus. These acceptable topics are mainly focused towards fulfilling the part of Criterion E that requests "sophisticated mathematics commensurate with the level of the course" - more detail regarding the other aspects of this criterion can be found in the Grading and Evaluation section slightly later on. One guideline I've heard from a few sources is to choose something beyond the SL syllabus: a summary of those topics can be found slightly later in this section. Keep in mind you do not have to restrict yourself to these topics, and anything beyond is fine. Also, that a topic in the SL syllabus can be beneficial if done well - it's rather easy to do comparatively and can still net you a 7 on the IA. See the Florence Nightingale Sample IA. Finally, I'm not certain if all of these topics have sufficient levels of difficulty, or if there are any in the SL syllabus that would be acceptable this is simply based on the SL and HL syllabi. What follows is a list of the topics which are in the HL syllabus, but not the SL, to provide a guideline of all acceptable topics within the syllabus: Topic 1: Algebra 1.4: Proof by induction. 1.5: Complex numbers, the Cartesian form of a complex number. 1.6: Modulus-argument of polar form of an imaginary number and the complex plane. 1.7: Powers of complex numbers, nth roots of complex numbers, and de Moivre's theorem. 1.8: conjugate roots of polynomial equations with real coefficients. 1.9: Solutions of systems of linear equations. Topic 2: Functions and Equations 2.1: ONLY domain restriction for inverse functions as well as self-inverse functions. 2.2: The graphs of y=|f(x)| and y=f(|x|), the graph of y=(1/f(x)) given the graph of y=f(x). 2.5: Polynomial functions and their graphs, the factor and remainder theorems, the fundamental theorem of algebra. 2.6: Viete's theorem, or the sum and product of the roots of algebraic equations. 2.7: Solutions of g(x)>=f(x) by graphical or algebraic methods for polynomials up to degree 3. Topic 3: Circular Functions and Trigonometry 3.2: Definition of the reciprocal trigonometric functions sec(x), csc(x), and cot(x). The tangent-secant and cotangent-cosecant forms of the Pythagorean identity. 3.3: The tangent double angle identities, compound angle identities. 3.5: The inverse functions y=arcsin(x), y=arccos(x), y=arctan(x), and their domains, ranges, and graphs. Topic 4: Vectors 4.2: The properties of the scalar product of vectors. 4.4: Specifically intersecting and skew lines in distinguishing between coincident, parallel, intersecting, and skew lines. 4.5: Definition of the vector product of two vectors, properties of the vector product, and the geometric interpretation of the magnitude of the vector product. 4.6: Vector equation of a plane, use of normal vector to obtain a particular solution form, Cartesian equation of a plane. 4.7: Intersections of: a line with a plane, two planes, three planes. Angle between: a line and a plane, two planes. Topic 5: Statistics and Probability 5.4: Use of Bayes' theorem for a maximum of 3 events. 5.6: Poisson distribution. Topic 6: Calculus 6.2: Related rates of change, implicit differentiation, and the derivatives of the inverse trigonometric functions, the reciprocal trigonometric functions, the exponential function, and the logarithmic function 6.7: Integration by substitution, integration by parts. All material in all option topics. Grading and Evaluation You can find the grading scheme for this IA here: http://bit.ly/1iOdQl7. There are 5 criteriae: communication, mathematical presentation, personal engagement, reflection, and use of mathematics. To clarify a few terms used: Personal engagement refers to the intent of the investigation to develop your interest in the area, and its evaluated based on the visibility of your personal engagement in the area and your own individual expression of those ideas. Precise and correct are differentiated by the need of precise mathematics to include proper notation and completely accurate work whereas correct mathematics can contain some errors as long as these errors don't lead to egregious incorrectness. The criterions themselves are defined here in the markscheme. Criterion A - Communication <to be added> Criterion B - Mathematical Presentation <to be added> Criterion C - Personal Engagement <to be added> Criterion D - Reflection <to be added> Criterion E - Use of Mathematics [sL] <to be added> Criterion E - Use of Mathematics [HL] <to be added> Sample Papers Its difficult to understand and conceptualize what is expected without exploring some examples of strong work. So here are a couple example papers, to show you what other students have done in the past, how theyve been evaluated and annotations, the mark they received and grader comments, as well as a couple small notes of my own. Sectors, Arcs, Descriptive Statistics, and Florence Nightingale (Mark Achieved: 20/20 at SL, 17/20 at HL) Paper: http://bit.ly/18KcK5q Paper with Comments: http://bit.ly/1fFkYe2 Marks: http://bit.ly/1dBrz7z This one is a perfect example of the kind of work you want to be doing in your math IA - however, the level of mathematics isn't at a high enough level given that all mathematics used is within the Math SL curriculum. Differential Equations and Modeling Rain. (Mark Achieved: 16/20 at SL, 15/20 at HL) Paper: http://bit.ly/1c491Oi Paper With Comments: http://bit.ly/19KUPKw Marks: http://bit.ly/1d6PSMD This paper has many errors in notation, it is not concise in form, the reflection is not critical, examples are not quite sufficient, and the mathematics is not precise. However, the mathematics is certainly at the level required. Very strong work in general, just missing that final layer of polish. Postface and Notes I hope I've been able to help out with this guide. Please let me know if you find any issues or inaccuracies or if you still have questions after reading through this. Good luck with your IA! Sourcing Notes: A good deal of these links and some of the information was retrieved from M. Chao's blog, which can be found here: http://bit.ly/K12vhF. It was quite useful to me in doing my own research.The IB Mathematics IA website was very useful to me: it can be found here: http://bit.ly/JbK1e4.The SL and HL Mathematics IB Course Guides were useful to me, especially in the analysis of acceptable topics and criterion E. They can be found at http://bit.ly/1eJQ08k and http://bit.ly/19oDBik, respectively. Revision History: December 24, 2013: Guide first posted.December 25, 2013: Differences between SL and HL syllabus (Acceptable Topics) added. Formatting improvedDecember 27, 2013: Added skeleton for remainder of guide. Added table of contents. WIP: Grading and Evaluation section for all criterions. Reorganized guide.January 3, 2014: Proofread and edit.January 07, 2014: Generalized guide to include the SL exploration as well. To Do List: Improve formatting further.Flesh out postface.Examine criterions in depth.Discuss formatting of IA and how best to write it.Add mistakes section.Add SL criteriae."SL-ize" the guide.Discuss the draft submission and teacher feedback process as well as the extent to which your teacher can help.
  10. Hi. According to you, which one is the easiest to score a grade 7 in? Maths HL or psychology HL? I'm doing 4 HLs and I wanted to drop one of those two. I'm doing Chemistry HL, Biology HL, psychologyHL and Maths HL. And I would like to study medicine for the future. However I'm not sure whether or not I should drop 1 HL, will it make any difference if I do as Psychology HL is very similar to SL except for some additionals. Thank youuu
  11. Hello everyone, I want to do my Math IA about the nabla (or del) operator used in vector calculus. I'm interested in this because I'm going to study physics at uni and I heard that physics students will need to learn this at uni. So that is a factor that will keep me motivated to do this. However, I don't really know where to go from here. Should I just base my IA on explaining what nabla is and deriving it? Or is there anything in particular I can base my IA on? Thank you.
  12. paul_anderson

    Maths IA

    Hi, I have been trying to do my maths IA (HL), and I did think that I found a reasonable topic. So basically my topic is related to spirographs (maths behind it to be precise). I was initially planning to find the area of the figures of hypocycloids. But then I realised it is already all over the internet. This then seems to be unoriginal (or do you think its fine to proceed?). Now that it looks unoriginal, I decided to twist it a bit and find the hypocycloid consisting of a circle rolling inside an ellipse. But the problem here is, this requires stuff like curvature and elliptical integral. I understand them, but is this too complicated for our level? Another important question. if I am using trigonometry and parametric equations for my IA, is that commensurate will the level of my course? Finally (promise this is last question), do we have to give OUR input or show that we found out something entirely by ourself? Like can I still go with simply just finding the equations of hypocycloids, deriving its area and arc length? (this would include integration, differential equations, parametric equations) But the only doubt I have is that is it feasible to something as basic as this, that's widely available on internet? I am sincerely so thankful to anyone who helps me out here!!
  13. ibstudent081099

    Maths HL exam hints

    Hey guys, as you know exams are in less than two weeks and, probably as all of you, I am stressed for maths (I need to get a 7 to meet my university requirements). I think creating a post to share suggestions and useful revision tips would be useful. My main suggestions are the following. 1)Do past papers 2)If you manage to put your hands on the questionbank, do past questions divided in topics. I feel that this technique allows you to understand the typical exercises better than doing past papers. If the questionbank is not available, just scroll through the papers and do all the exercises of the same topic together 3)The section which I find more challenging in paper 1 and paper 2 is section B. While doing the exercises on section A, if I encounter a difficulty, I simply go on and leave it for later. If you guys have any other suggestions comment below so that we can all help each other out. Good luck on your revision
  14. lalalalala3222

    MATHS HL

    Hi, I'm an pre-IB student and I'm considering taking Maths HL. Other subjects I'm taking are: Polish SL, English B HL, Chemistry HL, Psychology SL and Biology, but I'm not sure yet wether on SL or HL, it'll depend on my maths choice. I'm a good student at maths, I get only A's, I took part in many competitions and did quite well in few of them. My teachers say that I will probably manage to finish Maths HL but I personally think I do not have a chance for anything better than a 5, which will not be enough for my university entrance requirements (i'm thinking about something like engineering). The other option is that I will take Biology HL and go for medicine. I like Maths more than I like biology, but I'm honestly not sure how Maths HL would work out for me. What do you think? What would you do being in my position? Thanks a lot
  15. rebecca.vanderm

    MATHS HL EXAM CALCULATOR POLICY

    Hi Everybody, I wanted to ask whether one is allowed to bring TWO calculators to the IB Exams (only those permitting calculator use goes without saying), the reason being that for the first part of the course I was using a Texas Instrument handheld device and changed to a HP device for the second part, meaning there are operations I am MUCH more comfortable with using one and others I would much rather use the other for. Obviously, I would never be using both at the same time () so it would be like having one, only one that I am entirely familiar with. Thank you! Rebs
  16. rebecca.vanderm

    MATHS IA QUESTION

    Hi everyone!!! I've submitted my first Maths HL IA draft to my teacher and my feedback is along the lines of: would get full marks if: made shorter (it's 10k words but that includes symbols and numbers, that's 30 pages for the body and around 36 including title page, contents, rationale, appendices, etc.) and made SIMPLER I love maths and really stretched myself with this project, going into extensive proofs using topology, logic and more. He also told me to make it so that 'anyone in my class' would understand. I've simplified it, added diagrams with bold, red arrows to show exactly WHAT I'm doing in steps, and my question is: 1.) Do moderators read the Internal Assessments (for maths like for other subjects), word for word? or do they just skim through/get a feel for the approach? Essentially, what I'm asking is: if I have a sentence that explains a step/process, that is not that trivial, will the moderator give it 15 seconds to make sense of it, or just think...not clear enough??? Also, does anyone in my class really have to understand it? Because my teacher would like to me to give it to a few of my class mates to see if they make sense of it, but let's face it, at this stage and with the workload..who's gonna add a stretching 30+ paper to the pile? Anyway, There are probably no official IB IA moderators on this website, if so...please tell me!! But I wanted to know what you guys think..?? Thank you!! Rebs
  17. Hi everyone!!! I've submitted my first Maths HL IA draft to my teacher and my feedback is along the lines of: would get full marks if: made shorter (it's 10k words but that includes symbols and numbers, that's 30 pages for the body and around 36 including title page, contents, rationale, appendices, etc.) and made SIMPLER I love maths and really stretched myself with this project, going into extensive proofs using topology, logic and more. He also told me to make it so that 'anyone in my class' would understand. I've simplified it, added diagrams with bold, red arrows to show exactly WHAT I'm doing in steps, and my question is: 1.) Do moderators read the Internal Assessments (for maths like for other subjects), word for word? or do they just skim through/get a feel for the approach? Essentially, what I'm asking is: if I have a sentence that explains a step/process, that is not that trivial, will the moderator give it 15 seconds to make sense of it, or just think...not clear enough??? Also, does anyone in my class really have to understand it? Because my teacher would like to me to give it to a few of my class mates to see if they make sense of it, but let's face it, at this stage and with the workload..who's gonna add a stretching 30+ paper to the pile? Anyway, There are probably no official IB IA moderators on this website, if so...please tell me!! But I wanted to know what you guys think..?? Thank you!! Rebs
  18. rebecca.vanderm

    IB MATHS HL EXAMS

    Does anyone have the MATHS HL Papers (1, 2 and 3: Calculus option, preferably) for NOVEMBER 2015? I'll exchange pretty much any paper (2015 May or November) or previous years, if you need them, in BIOLOGY, CHEMISTRY & PHYSICS HL all papers. These are very rare! Thanks! Rebs
  19. Jenny99

    Maths HL or SL?

    HI I would like to study economics in the UK. Should I switch B&M HL for Maths HL? my current subjects are are Englisg B HL, Econ HL and B&M HL.
  20. flyingturducken

    HL Revision

    Can anyone recommend good revision websites and worksheets please? The textbook questions aren't helping at all since they're relatively simple compared to the actual questions. Thanks in advance
  21. LolzDoingIB

    Maths IA Help

    Hey guys I am a Maths HL student, and recently i came up with an idea to do my Maths IA on, comparing two ways of solving Trig equations. One of the ways of solving Trig equations, is by using the trig identities and the other way is by using the De Moivre's theorem. I was wondering if I could explain these 2 ways and different ways and i could somehow come to a conclusion on which way is better (i.e. by counting number of step required to arrive at the general solution) for what type of trig equation I understand both methods quite well since I watched the Khan Academy Videos on them!! But I was wondering if this sort of idea was fine for a Maths HL IA. Any help would be appreciated!!
  22. LolzDoingIB

    Maths HL November 2015?

    It's been way more than 24 hours now, so I thought I would make a discussion for maths HL. How did you guys find paper 1, paper 2 and paper 3 for maths HL for the november 2015 session? I am sitting the November 2016 exams but my maths teacher gave me a copy of the November 2015 Maths HL exams just to have a look, and I found the questions quite do able. Just to let you guys know I spoke to some students who sat the November 2015 session and they said that they found the exams easier than some past papers!! Hope you guys found them the same?
  23. ak1998

    math hl or sl?

    i want to do either engineering or economics in college and currently my subjects are phsyics maths amd economics at the higher level and chemistry english and hindi at standard level and wish to apply to the top universities in USA. i am struggling with math hl and getting 4s and 5s while looking at the sl papers i know i could easily get a 7. so is it better to get a 5 in hl or a 7 in sl?
  24. Are there any edX/Coursera courses which are useful for Maths HL? For example, I've heard the 'Calculus: Single Variable' course by UPenn on Coursera covers most or all of the topics in the Calculus section of Maths HL. Thank you for your help!
  25. Hey guys! I've just started working on my mathematical exploration - I wrote a plan of my work and outlined what I want to do and in what order. The topic is "Graphical interpretation of the complex roots of quadratic and cubic equations". Besides the fact that I'm concerned about the level of mathematics used (I'm afraid that finding the roots graphically and determining a general solution may not be sophisticated enough), now I'm even more worried: I've found out that something similar to my topic was actually a task for the portfolio a few years ago (namely task "Shadow Functions" from 2012/2013, which you can find here). It turned out that my plan is quite similar to the task given; do you think that using an old task may somehow influence my potential grade? Should I change the topic..?
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