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17 to 19 February 2017
24 to 26 February 2017
24 to 26 February 2017
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Tim Garry is the site author and has taught mathematics from middle school to university since 1984 and been Head of Maths at three international schools. He's also been an IB examiner for external & internal assessment, contributor to IB curriculum reviews & Maths HL exam writing teams, delivered numerous workshops & co-authored IB maths textbooks (see below).more
Quote of the day
Many who have had an opportunity of knowing any more about mathematics confuse it with arithmetic, and consider it an arid science. In reality, however, it is a science which requires a great amount of imagination.
(Sofia Kovalevskaya, 1850-1891)
Textbooks for Math HL and Math SL. Two textbooks written by Tim Garry and Ibrahim Wazir that are fully revised 2nd editions providing comprehensive coverage for the new 2014 syllabuses. Each textbook comes with an e-book (accessed through a website) containing a complete digital copy of the text along with numerous additional material.
If you are interested in Tim Garry visiting your school to work with teachers and/or students, please contact us.
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Solving equations on different GDC models: TI-84 Plus, TI-84 Plus CE, Casio fx-9860G, and TI-Nspire CX Part 1 - Using the Built-in Solver In order to compare the equation solvers on these models, let's consider the following Maths SL exam question. Let's look at only part (c). The answers to the previous parts are: (a) , (b) . Therefore, to answer...
I highly recommend any IB Mathematics teacher who is seeking expert guidance on how best to teach either Standard Level or Higher Level Mathematics in today's classroom to subscribe to the InThinking website. It is an invaluable resource for both...
I really like the continuously expanding InThinking Maths HL & SL resources. I always find something useful among the plentiful, practical, well-formatted resources - including notes, assignments, assessments, and interesting student pages. Absolutely...
The InThinking Maths website is a very beneficial and user-friendly online guide for IB teachers. You can get an answer to all of your questions. There are all sort of materials and support, many samples of course designs, explorations, exams, teaching...
Sunday 10 April 2016
To me - and to most people who enjoy mathematics - solving a problem that requires insight, perseverance and creative use of mathematical knowledge... more
Tuesday 10 November 2015
This past weekend I was reading a review of a new history book, The Silk Roads by Oxford historian Peter Frankopan, in which the reviewer states... more
21 Jan Tim Garry
Sample Mock ExamsJoseph, Thank you for pointing this out. I've uploaded the correct file - the markscheme for Mock A HL Paper 2 2014
21 Jan JOSEPH KIM
Sample Mock ExamsThere is no Markscheme / HL-P2-2014-v2 . The file you uploaded is not Markscheme
15 Jan Tim Garry
Sample Mock ExamsLarysa, About grading mock exams ... I've included info above on grade boundaries. I calculated the averages for mark ranges (1-7) on past exams since 2014 - and then suggest that this 'average' set of grade boundaries can work for my mock...
13 Jan Larysa Darchuk
Sample Mock ExamsHello Tim, I would like to ask you how you grade IB HL Math exams. If a student gets 50% or 70% in a Mock exam what grades you give him? What conversion do you use to go from % to IB grades 1-7?
10 Jan Kinjal Morkhia
Sample Mock Exams-oldWe are expecting more mock papers to be uploaded because these mock papers were already used by the educators previous academic year. Personally I used it partially when I designed mock papers of Mathematics SL for the year 2016.
12 Dec Tim Garry
tangents & normalsPeter, Thank you very much for the feedback. You have good reason to believe your students - they are absolutely correct ... the answer that I had for Q4 was incorrect. I have corrected the answer - and posted a solution for the question that...
12 Dec Peter Goodman
tangents & normalsHello, My students have found what they think is a mistake in Q4. They believe the eq. of the normal y=4x-2. Unless, there is a misprint in the intended original function, I tend to believe them. Could you please help?
7 Dec Tim Garry
Calculus HL optionMahesh, Manish & Murat, Thank you all for your comments. This site is a very big project and the first priority was the core syllabus. Please know that there are materials being created right now for various aspects of the HL option topics...
7 Dec Murat Gokalp
Calculus HL optionNo infinite series? Taylor?Maclaurin? Power? Too little content for the option.
6 Dec Dorota Lipka
Sets of SL(HL) Review ExercisesI would appreciate also review worksheets for the remaining topics. Thanks!
5 Dec SAVITA SINGHAL
Statistics & Probability HL OptionHello Tim I am looking for more worksheets on PGF. Thanks Savita
solving other equationsHi, the show that for the discriminating HL question should be +72.