InThinking Subject Sites
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IB Approved Workshops
Mathematics: Applications and interpretation
IB DP Category 1
Stockholm, Sweden, 19 - 21 September 2025
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Mathematics: Analysis and approaches
IB DP Category 1
Berlin, Germany, 3 - 5 October 2025
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Mathematics: Analysis and approaches
IB DP Category 2
Online (IB Approved), 17 - 19 October 2025
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Virtual Think-Ins
DP Mathematics IA - the Exploration
Virtual Think-In, 11 - 12 September 2025
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Paper 3 in DP Maths:Analysis & Approaches HL
Virtual Think-In, 15 September 2025
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Assessment
HL Statistics & Probability TEST Free
Below is an HL test to use with classes to assess, and level, their understanding on this unit of work. Make sure that you have set up Student Access to share this page with your classes so that they...
Functions
2.5 Trigonometric Models - Video Lessons Free
The Mathematics of Periodic Phenomena Phenomena which display periodic nature, such as the motion of tides, the orbits of planets, or the spinning of a ferris wheel, that we can understand mathematically...
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1E - Compound Interest and Depreciation b
The idea of repeated percentage change and the relationship with exponential functions and geometric sequences is what this is all about. What is often new at this stage is the idea of compounding periods...
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1E - Compound Interest and Depreciation a
The idea of repeated percentage change and the relationship with exponential functions and geometric sequences is what this is all about. What is often new at this stage is the idea of compounding periods...
Start here
Sandbox - Maths AI Textbook
This section of the website is an online digital textbook written for Mathematics: Applications and Interpretation students. Using student access means that all students should have access to this at...
Stats & Probability
4.9 Normal Distribution
The normal distribution is a fascinating, naturally occurring phenomenon that has very relevant applications to understanding the world around us. When a data set is normally distributed it has some key...
Geometry & Trigonometry
3.1 Volume and surface area - Video Lessons
This section is all about the volume and surface area of prisms, cylinders, pyramids, cones and spheres! All of these shapes has their own unique properties and this section is about understanding and...
Stats & Probability
HL summary: Critical Values
Hypothesis testing, along with Type I and II errors, is likely the hardest area of the statistics and probability unit. It requires students to be comfortable (if not fluent) with: …. and then adds into...
Stats & Probability
HLsummary: TypeI+II
Hypothesis testing, along with Type I and II errors, is likely the hardest area of the statistics and probability unit. It requires students to be comfortable (if not fluent) with: …. and then adds into...
Stats & Probability
Stats and Probability Video Lessons
Statistics and Probability - Video Lessons This section of the unit is for sharing with students. The pages have series of video lessons about the different topics. These can be shared with students...