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Standard Level Mathematics

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.


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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...

Mike Murray, Dubai American Academy, United Arab Emirates

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...

Holly Garner, Lincoln Community School, Ghana

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...

Şhenaz Tekin, FMV Erenköy Işik High School, Turkey


Challenge Problems (#10)

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

Measuring the earth's radius 1000 years ago

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

Perplexing Pentagons (Exploration Idea #499)

Sunday 13 September 2015

Recently, a Maths SL student asked for my thoughts about her writing an Exploration (IA) on tilings of the plane (Euclidean tessellations).... more

Subscriber comments

  • 21 Jan Tim Garry
    Sample Mock Exams
    Joseph, 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 Exams
    There is no Markscheme / HL-P2-2014-v2 . The file you uploaded is not Markscheme
  • 15 Jan Tim Garry
    Sample Mock Exams
    Larysa, 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 Exams
    Hello 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-old
    We 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 & normals
    Peter, 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 & normals
    Hello, 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 option
    Mahesh, 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 option
    No infinite series? Taylor?Maclaurin? Power? Too little content for the option.
  • 6 Dec Dorota Lipka
    Sets of SL(HL) Review Exercises
    I would appreciate also review worksheets for the remaining topics. Thanks!
    Statistics & Probability HL Option
    Hello Tim I am looking for more worksheets on PGF. Thanks Savita
  • Hi, the show that for the discriminating HL question should be +72.