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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 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

Tim's InThinking site has been invaluable to me as a new IB teacher. Before starting any new syllabus item, I use the site to gain a better understanding of the types of problems that my students need to be able to solve. It has helped me to format...

Katherine Young, Cologne International School, Germany

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


P.o.t.D.- 250 Problems

7 May 2018

I started writing problems for my Problem of the Day (P.o.t.D.) section on this site 15 months ago - and there are now 250 problems available... more

Some fun with primes ... and Geogebra

18 January 2018

Prime numbers are fascinating, mysterious and useful. The topic of prime numbers can pop up in a maths lesson at many different ages and ability... more

primitive Pythagorean triples

30 December 2017

Over the years, I’ve got the impression that students are as fascinated with Pythagorean triples as they are with prime numbers. Many mathematical... more

Subscriber comments

  • 15 Jun Tim Garry
    Sample Mock Exams
    Michael, Thanks much for the positive feedback. The solution key for the HL P2 Mock_C exam is posted above. The solution key for the HL P1 Mock_C exam will be posted no later than next Wed (20-6). Hope that works for you. Thanks, Tim
  • 13 Jun Michael Francis
    Sample Mock Exams
    Dear Tim, I would like to thank you for all the effort you have put on these resources and this site. It sure makes a big difference to our teaching and the learning of our students. I am going to set my HL class the set C mock in about a...
  • 7 Jun Tim Garry
    integration basics
    Shalini, Thanks very much for your query. I'll be posting worked solutions for these integration exam-like questions very soon.
  • 1 Jun Shalini Mehan
    integration basics
    Hi Tim, Where can we find answers for SL HL integration exam questions? Thanks, Shalini
  • 30 May Tim Garry
    P.o.t.D.- 250 Problems
    JIS Maths (Rebecca?), Very glad that you find the Problems of the Day (P.o.t.D) useful. Yes, there will be changes to the InThinking maths sites for the upcoming new IB maths courses. I will manage a new site for the Analysis & Approaches...
  • 30 May Greg Adams
    recurrence relations
    I believe there is an error in example 6; the auxiliary equation should be -1(lambda) not -2.
  • 29 May JIS Maths
    P.o.t.D.- 250 Problems
    Hi there! These problems are great - I really found them useful. Do you have anything planned to to write about/put in motion for the new curriculums? I have been hearing a lot from Jim about how the applications courses will pan out but not...
  • 28 May Tim Garry
    Sample Mock Exams
    Alaa, Please go to the Tranformations of Graphs page under Functions & Eqns. I have added a document called sequence of transformations of a graph; and near the bottom of the page (under teaching/course notes), I've added a document specifically...
  • 24 May Alaa William
    Sample Mock Exams
    HI First, thank you Tim for the generous resources that I personally use in my classes. Secondly, would you or any other teacher elaborate with more steps on how to reach the answer of Q 10 part B, sub-parts b & c on Mock A, SL 2014 V1. Thanks...
  • 23 May Mano Krishnan
    linear regression (SL)
    Even though we resubscribed, still I am getting the message Your school subscription has already expired. Can you fix this problem. Thanks Mano.
  • 22 May Wallis Green
    Mock Exams
    Hi Tim...I did not know where to put this comment so you would be sure to see it along with others. I can't tell you how much I have enjoyed using your very valuable material and reading your advice and hints. You have been such a big help...
  • 21 May Tim Garry
    Riemann sums
    Raj, Thanks for spotting the error. I've corrected it. Thanks, Tim