Mathematics
Discussion of everything related to IB Mathematics.
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In general, Applications and Interpretation covers a broad range of materials, but Analysis and Approaches covers a narrower range in greater depth. Below lists the main topics in each course, by color code from 20142020 syllabus Studies, SL and HL (including Further HL). New topics are italicized. HL includes all SL topics of the same course. Common topics in all new Math courses: Algebra: scientific notation, arithmetic/geometric progression, compound interest, annual depreciation, exponents/logarithms Functions: lines, graph of a function, domain/range, definition of inverse, identifying extremas, intercepts, symmetry, zeros, asymptotes Geometry/Tr…
Last reply by ChocolateAndVanilla, 
Yup cabso is right...you are truly good at this.!!......I also had a question for you...Becuase I moved a few American schools... and i was never good at maths..actually is the subject i hate coz im really bad at it...but i was wondering if you could still get your IB diploma if you take the lowest Math class.which is Math SL I bet...even tough it was even more confusing with the amercan formula that had a bigger varitey of levels including calculus...and all of that....
Last reply by kw0573, 
 55 replies
 219.1k views
I haven't seen any IA tips around so I guess I would share some tips gathered from my Mathematics HL teacher's suggestions, some IBSurvival members' suggestions, my own knowledge and my own experiences. Cover Page Unless this is set by your school, I recommend that your cover page includes: • School Name (e.g. Sekolah Tiara Bangsa – ACS) • School Crest, if available • Subject & Level (e.g. Mathematics HL) • Portfolio Type (e.g. Portfolio Type I) • Portfolio Title (e.g. Patterns Within Systems of Linear Equations) • Candidate Name (e.g. Desy Kristianti) • Candidate Number (e.g. 001863002) • Examination Session (e.g. May 2012) Header and Footer I recommend that your H…
Last reply by Magician, 
 27 replies
 17.3k views
Here is some advice that you might want to follow right before and during the Math examination. Although most of these things are common sense, I think that putting it all down in words helps. So, 1) Ensure that you have atleast 2 working pens, a ruler, an eraser, two working pencils and your GDC put into your bag the night before the exam.  The last thing you want to do is forget something small and go around begging people for it/ going home to get it right before the exam. 2) Change the batteries of your GDC the night before the Paper 2 exam.  I know this is kind of extreme but after having used the GDC for so much exam practice [hopefully], the batteries might be ru…
Last reply by peterwilliam, 
Hello people! I have seen Biology, Chemistry and Physics help threads; I figured I would create one for Mathematics too. I'm willing to help any Mathematics student with their problems or doubts. I am sure there would also be some other helpers, so if you have any Math question just post here unless they are questions regarding IA tasks. Questions regarding IA tasks must be posted in the correct IA threads and not here. Questions from textbooks, worksheets or even past year papers may be asked here no matter whether they are for Math HL, SL or even Studies. Please also include which Math level you are taking so the solution and explanation would be suitable with the exten…
Last reply by The Rainbow Connection, 
 6 replies
 5.6k views
IBS has a system set up which allows you to enter in various bits of code and have them appear as mathematical symbols called Tex tags. For instance, rather than writing x^3, you can write . This is a quick guide explaining how to make this work for some of the more common Maths symbols you need for the IB. It may also come in handy as a way to copy/paste in as graphics for IAs, where relevant. For a more comprehensive overview, please take a look at this site: http://en.wikibooks.org/wiki/LaTeX/Mathematics Additional Links (kindly suggested by Chrypton) Detexify  This site contains a white drawing area where you can draw a math symbol that you don't know the LaTeX c…
Last reply by Xydan, 
 1 reply
 20.1k views
The growing number of posts, where solutions to internal assessment tasks are given, has unfortunately led me to create a specific rule for this forum. [b]Do not post mathematical solutions to questions about Internal Assessment tasks.[/b] IB rules clearly state that students are not allowed to gain direct help, whether oral or written, in writing their mathematics IA tasks. Thus, even if a student is desperate in proving a statement or finding the correct method to problems, you may not give the answer to him. You may, however, give an answer of general nature (without actual calculation) that will direct a student to the methods required to find a solution. For examp…
Last reply by sweetnsimple786, 
 0 replies
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Here are the links to the notes and sample works for Math subjects that we have on our Files archive. To be able to download files, you have to be a VIP member or a VIP subscriber. Please see the FAQ for information on how to become a VIP or how to buy a VIP subscription. If you want to donate and contribute files to our archive, please see this announcement or this FAQ section. Mathematics Notes Sample HL Internal Assessments Sample SL Internal Assessments Sample Maths Studies Internal Assessments
Last reply by Survival Robot, 
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Tired of studying? Not finding the right IB resources? Studying inefficiently during COVID19? InertiaLearning's AIPowered IB Qestionbank uses Computerized Adaptive Testing to create a tailored experience that's best for you! The Inertia™ Questionbank contains hundreds of free IB Questions sorted by topic/subtopic, each with video explanations. Advantages: 5090% faster than regular studying (Proof) Predicted IB Scores Instant Feedback Computerized Adaptive Testing (Wikipedia) Answers 100% Legal (not like other websites...) Free What else…
Last reply by InertiaLearning, 
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hey! are there any major differences, apart from the page limit, to the IAs in the new Maths curriculum, compared to the old one?
Last reply by ChocolateAndVanilla, 
 1 follower
 0 replies
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Hello! I am doing my IA on the correlation between May 2020 predicted & final grades. If any of you had any subject assessed in May, could you please fill your predicted and final grades into this questionnaire? It would save my ass since I barely have any data https://docs.google.com/forms/d/e/1FAIpQLSfocR31aAysQuTVN5zmwyYNrFpbYSmh2MW8U4IstZqNJwo3g/viewform?usp=sf_link
Last reply by Sofianna, 
 1 follower
 0 replies
 142 views
I have been using this questionbank for AA recently. It has loads of questions including paper 3 ones. https://www.ibtaskmaker.com
Last reply by IBPanicking, 
 1 follower
 0 replies
 79 views
Hello Guys, Which book would you recommend to study for maths application and interpretation HL. There are very few books available. Therefore, recommendations would be helpful. Furthermore, are there any other online resources other than "revision village" I can look at ?
Last reply by madhavsharma, 
 1 follower
 0 replies
 117 views
Hi, I am in need for more ideas about my Maths IA (Maths A&I SL). I investigate the relationship between sleeping hours and working hours. I already performed chisquare test, regression analysis and I created box n' whisker plot, but my teacher thinks that it requires further analysis. Thank you in advance!!! 😊
Last reply by dimik, 
 1 follower
 0 replies
 177 views
Hi everyone. I'm having a little trouble with my Math IA., I would like to do the topic "The Mathematics behind Medical Testing", where I would speak about false positives / false negatives and the probability of getting them. However, I don't know where to get data from. Am I supposed to make up a hypothetical situation / disease and then make fake numbers for it ? Is that even allowed..? I would be using conditional probability to find the probability of a student testing positive for the XYZ disease, actually having the disease. I would be using the conditional probability formula, but I'm finding that the math is very limited (there's not much to do).…
Last reply by lalaland39, 
 1 follower
 0 replies
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Hi everyone! I am an IB senior and was just finishing up the first draft of my extended essay. My topic is based around models on forecasting the stock market, specifically comparing two models and their effectiveness in terms of accuracy on forecasting the stock market. However, I was running into a few issues when trying to sort out my calculations. As I was working through my calculations I realized that a few of my data crunching calcs needed to be done in R/Rstudio. I was wondering if R is permitted to be used in Math EE's as long as there are significant physical calculations for the methods used in R. Any assistance would be great!
Last reply by yashybear, 
 1 reply
 460 views
anyone can suggest any good site for revision during this quarantine period?
Last reply by joannabyrant, 
 3 replies
 4.2k views
Hey! I was wondering if anyone has done a Maths IA (exploration) connected with sport and calculations around it, can be both HL or SL. I have to write an essay in Maths (for a competition) which is somehow similar to IA (but it's not really about IA), so that's why it doesn't have any specified level of Maths required. I was thinking of calculating something with skiing (or figure skating) cause I'm interested in that and I think I could find some Maths in it. However, I'm not sure how to tackle the topic (I'm in Y1 so we haven't started our IAs yet) and what it could possibly be about. If anyone has done an IA (or another Maths essay) in any of these topics, …
Last reply by ChocolateAndVanilla, 
 2 replies
 644 views
Hello there, I have two questions one is that how much do IB expect from us to write in EE math, since it is really difficult to write up to 3500. second one is that how do plagiarism really works. In math we cannot really change a proof of a theory, so if I took it from a source does it really counts as plagiarism or rephrasing it and citing it counts.
Last reply by kw0573, 
 2 replies
 772 views
I am planning to study medicine and I am currently doing HL chem and bio. I am currently in a mixed class for math and have the choice to do either AA SL or AI HL. Which new math course should I take for medicine?
Last reply by kw0573, 
 11 replies
 27.2k views
Guys, don't know if anyone else has this problem but on my TI84 plus I can't scroll up to see past calculations. IS there anyway to fix this annoying problem?
Last reply by debi, 
 0 replies
 555 views
Hey guys, Can y'all please fill out this form. I need it for my Math IA. Thank you so much :)) https://docs.google.com/forms/d/1h2PMQU_eEtCJ18dGXlWn87RqaMyICTCMPrYBKEMT5Es/edit
Last reply by ibkillmenow, 
 8 replies
 7.1k views
Hello I take maths SL and my homework for the winter break was to come up with a topic for the IA. I'm considering f/stops in photography which has something to do with geometric sequences and some mathematical explanation why these stop numbers make sense. It seems good enough, I guess, but my concern is that it's not very authentic. May I have your opinions, please? Hadassah
Last reply by MAAAA, 
 0 replies
 593 views
What are your thoughts on the new IB Mathematics subjects i.e. MAthematics Analysis and Approaches and MAthematics Applications and interpretations . Which textbook is your school using and which one do you think is the best ? Appreciate the replies !
Last reply by dependentIB, 
 0 replies
 565 views
Hi! I am doing my math IA on logarithms and I want to focus on pH (chemistry) and arrhenius equation. I was wondering if you could help me with what exactly to investigate, I wrote my introduction and realized that I do not know what to write in the body and further on. Any help is wellappreciated! Thank you
Last reply by Ignas, 
 3 replies
 4.5k views
I am about to finish writing my Math IA, but since I did a lot of research, I made the font quite small and made the margins and spacing shorter so that I could fit my research into the 6~12 page restriction. Isnt it ok to make your font, spacing and margins however small/big you want it, as long as the page number is between 6~12? There is no set rule, would I get marked down if I cram too many words for my IA?
Last reply by kw0573, 
 1 reply
 529 views
For the math IA/Exploration, I am using chicago style for the citation/bibliography, is there a certain citation style (like the APA, MLA) that I have to use for my IA? Or can the citing be anything.
Last reply by kw0573, 
AA or AI for engineering? I am planning to take SL English Lang and Lit SL Mandarin ab initio SL Chemistry HL Physics HL Math AI HL Business Management
Last reply by kw0573, 
 0 replies
 526 views
Hi, my math teacher told us that we need to choose a topic for our math IA, that was one month ago and i still dont have a topic. I like aviation but i cant think of anything of aviation that can be applied to math. PLEASE HELP ME!!!, any ideas are welcome.
Last reply by nicovol1, 
 2 replies
 903 views
Today I got to know that my school has dropped math HL because lack of teachers and they say that students don’t get above 4 in math HL while most just switch to SL, leaving 12 students for math HL (our IB batches are quite small, like 15 students in a batch). So my school is against math HL and our coordinator was telling us that engineering/compsci unis accept math SL (giving a scholarship on merit too) anyway so what’s the point of taking math HL. Is she right? Should I take math SL or should I talk to my head about making an exception for me and letting me take HL? I’ve performed well in GCSE math and additional math (yeah yeah IB is different but I mean that my math…
Last reply by douglasfulk, 
I really really hate math. I am terrible at it, but I just had to take math at school. Therefore, I have to do IA. What is the easy topic for IA in math? I want a good grade in it. The full score is 20, right? Please help. Any ideas?
Last reply by Niji, 
 3 replies
 551 views
I am in grade 11 right now and am taking math SL. I am really struggling. In the winter mock exams we had, I got a 2/7 for P1 and a 2/7 for P2. My recent inclass test was not that much better either (3 but 1 point from a 2). I am worried that I might not pass with SL math at all. Should I move down or is it too late? Do you guys think I will get better grades if I work more / get more tutoring?
Last reply by inriya, 
 1 reply
 959 views
Hello, I am an 8th grade student who has recently been accepted into the PreIBDP program. I will go to Colonel By Secondary School in Ottawa next year. So we don't have a lot of course choices next year. For math, however, I can choose either MPM1DE (which is the accelerated preib math course that leads to either HL or SL Math in grade 11) or MPM1D (which is the regular academic course in math which leads to SL Applications & Interpretation Math in grade 11). I want to be able to take HL Math in grade 11, but I hear it is an advanced course that consists of two years while SL Applications & Interpretation Math take only one year. Can you give me an explanation o…
Last reply by kw0573, 
 0 replies
 486 views
https://docs.google.com/forms/d/e/1FAIpQLSeziMipjpKQDxEafD0wzOuGgdN6ZCcQwMgOsCWfrSolbQtzA/viewform?usp=sf_link please do this survey i need for my IA. Thank you so much.
Last reply by Bimae, 
 2 replies
 656 views
I'm going to be a senior in high school and I need help deciding what math class to take as a senior. During my junior year, I took IB Math SL 1 and got a B. Next year, I can either go on to IB Math SL II or take IB Math Studies SL (my school teacher math studies as a one year course). I plan on majoring in business management. I feel like I could easily get a 6/7 in Math Studies while I would get a lower grade in SL Math. The two main colleges I'm looking at are Virginia Tech and The University of Virginia. If I'm planning on majoring in business, should I take IB Math SL or IB Math Studies?
Last reply by Jaysun, 
 1 reply
 640 views
I have no idea why I am in Maths SL, but, some how, I am. So, I am having some problems with my Maths SL IA project and I just want to score a 4. Does anyone have any tips or advice to help me score easy points?
Last reply by kw0573, 
 6 replies
 2.9k views
Hello everyone! As a part of my math ia, I am analysing the pharmacokinetic profile of a drug. A part of the pharmacokinetic profile involves finding the area under the curve of the medication's concentration  time graph. I think this area is meant to represent the total exposure of the drug to the paitent's body. This is what it says online as well. In other words, it would be the total amount of drug absorbed by the body. However, I'm not quite sure how this works, as the units used for the y axis (miligrams of the drug in each litre of drug  mg/L) are completely different from the x axis (time in hours or minutes). Multiplying these units would give you (mg*hr)/…
Last reply by sphs33, 
 1 reply
 585 views
I'm from class 2021 (which means that I'll start DP next school year) and I had just recently learned that there are going to be changes in the math curriculum going into effect starting next year. So I heard that maths will be divided into 2 different subjects, Analysis & Approaches and Applications & Interpretations. With these new changes and my subject selection coming soon, there are a few questions I would like to ask: 1. What are the differences between the two 2. How do they compare to the current Math curriculum (Studies, SL, HL) in terms of difficulty/workload 3. And finally, if I'm planning to study Economics in the UK which one should I …
Last reply by kw0573, 
 2 replies
 504 views
Hey guys this is my first post. I really need help deciding whether to drop to SL or continue with HL math. I just started the diploma course this year with math HL. Last year, I was in standard math class (lowest out of advanced, extended, standard < unique to our school). Usually, it's rare for a student from standard math class to take math HL for DP course but I decided to take it because I thought I would need it for my major/career. Currently we just finished the third chapter test and are about to take the cumulative test next Monday. I have no difficulty with the class, assignments and other tasks in this class but struggling to get good grades. To be ho…
Last reply by kw0573, 
 4 replies
 513 views
Hey guys, I'm in a pretty stressful situation as I can't decide whether to change my current SL Math to HL Math, and we're already getting to the point where it is too late to change. My situation: Currently taking HL Bio, Chem, Eng A Lang/Lit, Danish B and SL Math, and History. I want to study medicine in the UK after I graduate in 2020, and my dream is to go to Cambridge, but as I've read on their website only 2% of acceptances go to those who only have 2 subjects out of HL Bio, Chem, Phys, and Math. As I can only have two sciences, my only option is to switch to HL math (which is already quite a bit ahead of SL) to push myself out of those ridiculously l…
Last reply by IB`NOT`ez, 
 0 replies
 460 views
I'm doing correlation on the average hours spent in a week watching anime and the performance in English subject but I can't find any other extra mathematical matters to explore. All I have is only the correlation kind of formulas which is not enough for a math exploration. I'm desperately in need of ideas .Help!
Last reply by Sky99, 
 5 replies
 718 views
So I'm currently a freshman (9th Grade) taking Algebra II/Trig, and was wondering which math class to take next year (10th Grade). The choice is between SL or HL math. I have gotten pretty different information from various sources. Plan #1: 10th Grade: SL Math 11th Grade: HL Math 1 12th Grade: HL Math 2 Plan #1: 10th Grade: HL Math 1 11th Grade: HL Math 2 12th Grade: AP Stats My guidance counselor recommended that I do plan #1 because I have consistently gotten good scores in Math, but others have told me that plan #2 was better because I would take three years of IB math, rather than two. So I'm rather …
Last reply by AngelaTang, 
 4 replies
 856 views
Hello! Just putting it out there that I’m new to this site, so please forgive me if I haven’t done this correctly or anything. I’m planning on starting my IB maths IA exploration for my HL class these holidays, and I was wondering whether anyone has any ideas for good topics? I’m interested in algebra, calculus and geometry. I do have some ideas for topics, and I’m leaning towards: Fractals  I’m not sure if this is a good topic or not, as after hours of scrolling through threads on here many people have said that it is too complicated? I had originally planned to perhaps figure out some formulas regarding some of the simpler fractal designs like…
Last reply by abblob, 
 2 replies
 514 views
Hi Guys, Now that Year 1 has ended, its almost time for me to get serious about colleges and that stuff. This year, I maintained a steady 5 in HL Math throughout the year, but I was thinking about dropping to SL, where it is more likely that I will get a 7 or at least a 6. I want to do Computer Sciences and Engineering in college, preferably in the U.S. Would it be better for me to switch to SL since that might bump me up to a total of 35 points (without EE and ToK), or should I stay in HL since that might look better on my transcript and my predicted grades? Thanks, Maharaja Stylo
Last reply by kw0573, 
 1 reply
 472 views
I'll be beginning the first year of the diploma program in September and I'm worried. Generally, I'm confident that if I put in 100% effort into my work I'll do fine in every subject that I've chosen, however I'm not so sure about math. This year (Gr. 10), I put in very minimal effort and I got a 68 in my general math class, which was around 22 points under the average. While I plan to put in an astronomical amount of effort into 11th and 12th grade, I'm still afraid that my best won't be enough. I really want to prepare myself during the summer. So far, I've bought the PreIB Math prep book by the OSC. For the most part, I just want to make sure that I know the mat…
Last reply by kw0573, 
 2 replies
 360 views
I want to change from Studies to SL. I chose studies at first because I usually got bad scores in maths and I plan to take an art major but now I've come to love maths and the course I want to take is still "artsy" but it is in the realm of design technology which needs at least SL. I am going to be grade 12 after the holidays, is it still possible?
Last reply by steph237107, 
 18 replies
 4.6k views
Hello all! I'd just like to discuss something that I think is important to me and in also everyone else who does Maths Studies. Why do people think Studies is bad? It's not. They say it's an easy course for the 'lessable' students, but this isn't the case. I'd just like to clarify that the Maths Studies course is simply only more statisticbased, without the calculus and etc side of mathematics. It's for people that don't necessarily need complex Maths such as Physics, Mathematics, Economics maybe, etc.. For other things, it's not needed, such as artcareers. Also, it is worth noting that taking Maths Studies is a good opportunity to get a high score and in turn you can …
Last reply by steph237107, 
 2 replies
 381 views
Hey guys, so I'm having trouble differentiating (1/x^8)^1/5 and I've gotten to 1/x^(8/5) but I can't figure out how to apply the power rule to it. Please help?
Last reply by pictionaryoverlord, 
Hey guys, I really need help choosing a topic for my maths exploration. I want to do it on calculus, but I don't have any good ideas, on what I should exactly do. Any suggestions??? Any help would be much appreciated.
Last reply by Ish123, 
 1 reply
 429 views
I'm reviewing for my Calc III course and I came across a problem that's stumped me and I can't easily find any example of on the web. Given point A (0, 2, 2) and B (2, 2, 2), find the set of all points P such that vector AP is perpendicular to vector BP. My first reaction was thinking this was easy, and I just set up an equation with one unknown P, where I let the dot product = 0 (as the vectors should be perpendicular). This gives me a quadratic equation and thus two values for P. However, I'm afraid this is wrong as my options for the surface (I also have to write the surface's equation) are plane/line/sphere/cone/parabaloid/hyperboloid. Thanks.
Last reply by kw0573,