Textbooks for Mathematics HL and Mathematics SL

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.



I love the "accessible" to "discriminating" levelled questions. They are great for differentiation in the classroom - especially as time in the IB classroom is so precious. Students start work at their own comfort level, discuss in...

Catherine Cooke, St John's International School, Belgium

Great site. Dense with great ideas and useful printable student material. It has added an extra dimension to my teaching and given me several successful plan B options. Well done Tim.

Peter Morris, Young Business Creatives, Sweden

I highly recommend that HL teachers use your site. I am still amazed at all it has to offer. The wealth of material has made it so much easier for me to provide my students with problems that will help them learn any thing from the basics to accepting...

Wallis Green, Khartoum International Community School, Sudan

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Probability - Complement Approach

2 June 2019

Question: Two fair six-sided dice are rolled. What is the probability that at least one of the dice shows a five facing up? more

Worked Solutions - HL Paper 1 Exam

22 May 2019

The May 2019 IB examination session is now finished. Teachers are eager to scrutinize an exam after it has been made available 24 hours after... more

Subscriber comments

  • 17 Jul Tim Garry
    new syllabus > new website
    Riddhi, Thanks for the question. Teaching with an emphasis on understanding is nothing new - an approach that effective teachers have been emplyoing for a long time but I do appreciate that the IB has been putting more of a focus on it in the...
  • 14 Jul Riddhi Rai
    new syllabus > new website
    Hi Tim! As I wait eagerly for the new site to be launched, please allow me to ask this query. You may be aware about the ATL's push towards 'Conceptual Understanding' and the 12 fundamental concepts ( ). While you draw your course outline for...
  • 3 Jul Tim Garry
    new syllabus > new website
    Sanjiv, Yes subscriptions are separate for the Analysis course site and the Applications course site - the same as the subscriptions are separate for the Math HL-SL site and the Math Studies site. Thanks for asking the question.
  • 3 Jul Sanjiv James
    new syllabus > new website
    Hi! Will I need two seperate subscriptions to access the Analysis & approaches and the Application and Interpretation website?
  • 24 Jun Tim Garry
    new syllabus > new website
    Andrea & Elisabetta, Thank you for your queries about the new site for the Analysis & Approaches course. I plan for the new site to be launched within the next couple of weeks.
  • 24 Jun Andrea Williamson
    new syllabus > new website
    Thank you for asking Elisabetta, I was wondering the same thing. Thank you Tim, for all your hard work with the current site and the new site. I would like to do some planning this summer and would like to look at the new site before school...
  • 24 Jun Elisabetta Pastori
    new syllabus > new website
    Dear Tim when the new two InThinking websites will be active?
  • 21 Jun Tim Garry
    counting principles (HL)
    Emma, Q: How many ways can 5 pieces of candy be divided between 2 children if each child receives at least one piece? There is more than one way to solve this queston. Maybe easiest way is to consider that each of the 5 pieces of candy can...
  • 19 Jun Emma Thompson
    counting principles (HL)
    Good morning, Please could you send me a worked solution to question 7. Thank you.
  • Anna, Yes I will try and do that. Might not appear until some time in July. Thanks for query.
  • Hi Tim, Would it be possible to post worked solutions for a HL/SL paper 2 too. Thanks.
  • Richard, Very fair point. It had skipped my mind that blog items would also be available to students. If it's not too late, I've removed my worked solutions for the recent HL P1 exam from the blog. I have moved the worked solutions to another...