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  1. Hi guys, I'm doing my modeling maths porfolio on the dice game. You can find the task here. page 4. Currently, i'm doing the last two questions. For the second last task: let say, the player pays $30 for each game, and if he wins he will get his money back and the banks has to pay him as well. So if the probability of him winning the game is 15/36, out of 36 games, he can earn 15x30=$450 and the bank has to pay him a certain amount of money for every game he wins. does that sound alright? For the last task: in the case of multiple players involved in the game, is it that the each player rolls
  2. Hey everyone. I've justed started my first year in IB and I switched from chemistry to art sl. I only have a teacher for half of my lessons everyweek, and since i've just started I'm very confused. I have no idea where to start or what I should be doing. I'm also seriously confused about what I put in my process portfolio, like do I just explore random topics, or do i start a project and explore within that project. I'm already 5 weekds behind, so I need help pretty badly hahaha Thank youuu
  3. ---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
  4. Hi there! I'm i year 2 and I'm really concerned with the Visual Arts Investigation Workbook requirements. Last year I was doing my portfolio (sketching, writing, and comparing artworks here). Since we need to make screens with our scanned pages, I thought that we will only need to retype the text by computer and add it to the screens. However, a month ago, my teacher told us that investigation workbook is not the same as portfolio and that we shouldn't retype the text when making screens but evaluate on how we were doing the portfolio, and add even more text and even add some sketches don
  5. I was wondering if for the new syllabus we need to put in quotes from the article and use definitions of economic terms in our economic commentaries?
  6. 27 downloads

    Economic IA Portfolio Guide, for both SL and HL students.
  7. Hey guys, I'm having a little bit of trouble with the Math IA since now we can choose our topics we can basically do anything. I first came up with the idea of fractals and had almost a clear idea of how to develop it, I talked to my math teacher and I was going to use sequences for Geometric Fractals or just linear algebra for Algebraic Fractals...however, I was browsing through the Math IA Topics on here and came across many threads related to fractals and many moderators told users not to chose Fractals as their Math IA topics. After looking for many other topics I finally decided to do it
  8. I decided to try and connect at least one of two of the things I'm passionate about (languages and music) to the exploration, but I have no idea what an appropriate topic is. While I love languages and even plan on doing some form of Linguistics in university, music is more of a hobby to listen to, not study. For the moment, I'm considering: - Is there a mathematical equation for the "perfect" beat? - Maths behind commercially successful songs and their instrumentals and/or their artists' voices? - Going into detail about the 4 chords in C-Major commonly used in pop - Probability of making
  9. What is the citation/ bibliography method for a math studies portfolio/ IA? Chicago, MLA, APA....?
  10. So, our teacher has finally given us the long dreaded math portfolio(for me at least). She has also given us two examples of the previous math portfolios (one good, one bad), BUT they are both statistics. Also I've been looking around for a while and no where does it state how to formulate a topic! Except for creating a topic in something I like. Could anyone provide me with tips or examples of how to create a topic? I've been stuck on it for a while...
  11. 41 downloads

    This helped me to check for what I'm missing from the economics guide, so I made a checklist, like they used to have for older examination years, where you can check off as you meet a requirement.
  12. I learnt today that I have to give my Math Portfolio idea in two days time (completely out of the blue) and I have no idea how to proceed. Like probably everyone else in the world, I have no clue how to get around picking a idea... Right now, my thoughts are towards studying the efficiency of traffic patterns (road patterns? Traffic management?), but I don't know if it is good enough. The school profs are also caught out by the rule change for 2014, so they are also quite uncertain. Any advice? I don't necessarily need to follow my current topic, but I need to get something good quick. I check
  13. Hi everyone, I am retaking IB Math HL with my portfolios, I was wondering if any of you guys knows whether I should chose the other topic for portfolio or can I improve the one that I started? Considering that the topics for 2013 May and November sessions are the same.
  14. I'm just in the process of finishing up my final draft for my IA type II portfolio for November, and I'm facing a bit of an issue. The other day, I googled the portfolio just to find out how others had gone about it to get a second perspective, and I found one that started the process very similar to the way I've done mine. Of course, it moved on to like writing up a program for verification and things, which I didn't. But the first three, "simple steps" and the general formula are rather similar. Now I'm worried that because this work is already on the internet, the examiners may think I plag
  15. I had a slight doubt regarding one of the commentaries I need to submit as a part of my IA Portfolio as a student of Economics HL. The fact that there is a specific component in the rubric asking for Diagrams in the commentaries has got me slightly muddled. I'm going through my commentary on Developmental Economics and as far as I can see, there aren't any possible diagrams visible in the horizon. What should I do and is this usually the case with Developmental Economics related IA? The book I use (Oxford Course Companion by Jocelyn Blink and Ian Dorton),has one diagram in the whole section, s
  16. I needed some help in choosing an article for a commentary in development economics. I've done one commentary on micro so far but I can't seem to understand what a commentary on development economics would entail. What sort of theory and/or diagrams would one use in the commentary? And regarding the article, I assume it should be something related to "Economic Development", so I wanted to know whether one of these two articles would be suitable and what sort of analysis would need to be carried out. http://www.sierraexpressmedia.com/archives/57245 http://www.ibtimes.com/africa-pursues-developm
  17. Hi there! I am writing my economics macro-commentary for the first time, and I am not sure what is consisted in a good macro-commentary. Could you rate my article and give me some pointers? I am completely lost... Here's the article: http://www.nytimes.com/2013/03/11/business/economy/after-corporate-upswing-hopes-grow-for-a-consumer-revival.html?pagewanted=1&_r=0&pagewanted=print By the way it's for my IA portfolio. PLEASE REPLY ASAP, this is due very soon, and I need to start.
  18. Hi! I'm currently trying to solve the questions in HL Math Internal Assessment Type 2: The Dice Game. It's been an extremely long time since we went over probability, hence I have no idea what I'm doing at the moment. Could anyone give me the numerical answers so I can check my work? I promise I'm not asking to plagiarize in any way, I just want a little confirmation. If you can give me some tips about the portfolio, that would be incredible as well. Thank you! You can find the assessment here: https://teacher.ocps.net/joel.brielmaier/HL/IA%20Info.pdf
  19. Just wanted to know whether this article would be fine for a microeconomics commentary. This is my first commentary so any help would be appreciated. http://www.deccanher...-subsidies.html
  20. 35 downloads

    IB Math SL Portfolio 2012 - 2013 tasks
  21. Hey guys, first post on IB survival. Been thinking about what I want to do my exploration into for my coursework. A topic that has come up a few times is computer science and the logic behind that. I was going to try to make a computer write an essay or create something, subsequently fail and explain using maths why a computer can't speculate or "fill in the blanks" to lack of knowing a better word. However I'm worried that this subject may be too vague and I'm worried that I'm going to go real deep into this to realise that I am writing an essay which is irrelevant to maths. Opinions on this
  22. So I am just starting IB and we got a practice portfolio. I was wondering if anyone can send me a sample of how the portfolio looks like and stuff Thanks
  23. Hey, I have started the Gold Medal Heights Type II Portfolio and I was wondering what the mark scheme meant by "applies the model to other situations", I'm not sure how I would do this in the IA. I was also wondering what the IA meant by "parameters" and "possible constraints". The portfolio is in the PDF. Thank you! portofolio tasks for 2012 2013 SL.pdf
  24. Hey guys, I want to know what do they mean by "Define suitable variables" and "suggest suitable models" Thank you
  25. Version pdf


    Maths IA on stellar numbers.
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