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This site has everything you need to supplement your course: notes, exam prep, IA tips, and activities. What I most love about this site is that the activities are all ready to go - the handouts, answers, and resources are all there for you. Not only...

Valerie Koch, International School of Zug and Lucern, Switzerland

I always check the InThinking site before any Maths Studies lesson to check for an exciting introduction to a topic or for extra resources. It has been invaluable for my teaching of this course, especially the links to videos on youtube and the worksheets....

Dorota Lipka, Sir James Henderson School, Italy

Well thought out and designed tasks. Easy navigation. Quality materials for deep learning across all topics. Regularly updated and new materials added. Responds to feedback. AMAZING TIME SAVER! Never without a quality lesson or idea for a class.

Melissa Griffin, Phuket International Academy Day School, Thailand

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Exam Season

14 April 2019

Here is a list of pages that you will want to make sure you know about.Helping students to prepare for the exams!NEW - The Calculus pack has... more

Compound Interest

23 December 2018

So! I have been meaning to post something about this for a while. Please let me start with a disclaimer - I am only passing on what I have heard... more

Subscriber comments


  • Hi Lesley, as far as I know, only the OUP ones are available just yet. They always have the advantage that they have been written in conjunction with the IB. Personally I will want to wait until I have seen some others before making such a...
  • 18 Apr Lesley Twiss
    Applications SL Scheme of Work
    I haven't really looked around the site for this information, but have you talked about the different textbooks that are going to be available? I'm struggling with the decision of what to use for next year.
  • 14 Apr Jim Noble
    Internal Assessment
    Hi Sandra, I wouldn't worry too much about this. I think it is OK if students reference a textbook that they have used for such formulae.
  • 14 Apr Jim Noble
    Internal Assessment
    Hi Ourania - This is tricky territory. My line is usually that if a student uses the same data for a scatter plot AND an independence test, then they should be able to give a good reason for what one test offers that the other doesn't. The...
  • 14 Apr Jim Noble
    Scattertastic
    Hi Eva - Thanks I think I'll have to give up on this one. Thanks for letting me know -
  • 14 Apr Jim Noble
    N & A New Syllabus 2019
    Hi Pramila - Too soon to say I think. The only ones I know of that are published are th Oxford University press ones that are writen in conjunction with the IB.... more will come soon.
  • 14 Apr Jim Noble
    Paper 2
    Hi Mara - This information is valid for the current syllabi, but will be updated for the new syllabi. Keep an eye on the 'new syllabus' page - Thanks
  • Hi Niomi - we are working on it!!!
  • 3 Apr Sandra Fernandes
    Internal Assessment
    Good afternoon, I would like to ask a question in regards to academic honesty. Does a student have to cite every formula he uses? Even if they were taught in the lesson or are in the booklet?I assumed not, but now I am not confident enough...
  • 3 Apr Niomi Anderson
    Applications SL Scheme of Work
    What about HL?
  • 2 Apr Ourania Costi
    Internal Assessment
    Hello, I am marking Math Studies IAs and I have a question I would like to ask. When a student makes a scatter plot then it is relevant to find the correlation coefficient. But, if a student makes a scatter plot and then categorises the data...
  • 2 Apr Eva Tarrason
    Scattertastic
    Hi Jim, Just to let you know that the link to "Scatterplot and line of best fit" is not working. Thanks for the activity! Eva