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*InThinking* subject sites are neither endorsed by nor connected with
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### Forthcoming Workshops

#### Mathematics SL

IBDP Category 1

Barcelona, Spain

6 to 8 October 2017

more info

#### Mathematics HL

IBDP Category 2

Barcelona, Spain

6 to 8 October 2017

more info

Find all *InThinking* Workshops at www.inthinking.net

### School visits

If you are interested in **Jim Noble** visiting your school to work with teachers and/or students, please
**contact us**.

### Home-2-Home

The vacation home exchange service for the IB community.

*Feel at home when you travel the world.*

**www.home2home-inthinking.co.uk**

# Most popular

### Statistics PracticeTue 27 September 2016

This page has a variety of tasks designed for practice and revision. Practice questions are an important part consolidating students' understanding of a concept. They can be found from numerous sources... more

### L, S & P PracticeTue 27 September 2016

This page has a variety of tasks designed for practise and revision. Practice questions are an important part consolidating students' understanding of a concept. They can be found from numerous sources... more

### G & T PracticeThu 29 September 2016

This page has a variety of tasks designed for practise and revision. Practice questions are an important part consolidating students' understanding of a concept. They can be found from numerous sources... more

### Resources for RevisionMon 10 October 2016

Obviously this is a crucial part of any exam program and over the year I have tried lots of different ideas. On this page you will find ideas about when and how revision can be offered and some recources... more

### Calculus PracticeTue 4 October 2016

Practice questionsThis page has a variety of tasks designed for practise and revision. Practice questions are an important part consolidating students' understanding of a concept. They can be found from... more

### Focus - Chi SquaredMon 26 September 2016

The chi squared independence tests is a widely used technique for looking for a relationship between variables that are categorical. We can use a scatter graph to look for a relationship between GDP and... more

### Functions PracticeMon 3 October 2016

This page has a variety of tasks designed for practise and revision. Practice questions are an important part consolidating students' understanding of a concept. They can be found from numerous sources... more

### Paper 1Mon 10 October 2016

A bullet point description of paper 1The following outlines how accuracy is examined to the best of my understanding. A new ruling on accuracy was brought into play in November 2011. A principle reason... more

### Exam Revision PacksfreeSun 5 March 2017

Helping students to prepare for the exams!This page is the home of a series of revision packs designed for the final stages of the course. We all run our courses differently, but I suspect that most of... more

### Real independence testsfreeMon 26 September 2016

'Get students doing Independence with real, live data to add meaning to this topic'Advances in technology, the Internet and social networking have given us many new opportunities to bring real, live data... more

### Focus on SetsThu 19 January 2017

Sets, subsets, intersections and so on. Sets are a mathematical way of classifying objects by means of clear definitions. Any given object has a number of properties that can be sued to classify it and... more

### Focus on - Geometric SequencesMon 26 September 2016

The Geometric sequence is a fundamental bit of mathematics that is an inherent part of exponential growth and decay. Their properties are simple in nature but they are often counter intuitive. The key... more

### Past Paper ReviewfreeMon 10 October 2016

This section is intended as place to keep records of the different exams that have been produced for the syllabus in which the first exams were taken in May 2014. Reviewing these exams is a really important... more

### Independence DayMon 26 September 2016

'Is political persuasion dependent on Gender? How can we tell - an introduction to independence tests'When two data sets are numerical we can look for correlation using scatter graphs and linear regression... more

### Marked ProjectsfreeMon 30 January 2017

The aim of these pages is provide some examples for teachers of projects that have been completed, the marks they were awarded and the justification for those marks. The more such examples we have seen,... more

### Marking & ModerationfreeFri 7 October 2016

This page is intended to offer guidance and advice for the marking and moderation of Internal Assessment projects that should be considered a practical elaboration of information included in IB documentation.... more

### About IAWed 5 October 2016

This page is intended as a a brief guide to the IA process and the paperwork you should have to hand for planning and running it. This will be most appropriate for those new to teaching the course, but... more

### Student writing guideWed 5 October 2016

This section offers students advice and guidance for writing their projects. This can be tricky for teachers. We have to walk the fine line between offering students constructive and supportive advice... more

### Focus - Arithmetic SequencesMon 26 September 2016

Arithmetic sequences, those where each term differs from the previous by the same common difference, are a key conceptual element of the course. Strongly linked with linear growth, this important idea... more

### Financial MathematicsMon 26 September 2016

This is one of the most obviously relevant parts of the course and from my experience, students show an appreciation for that. That said, very few students are actually involved with borrowing and investing... more

### Focus on ProbabilityFri 25 December 2015

Possibly the most relevant, useful and appropriate part of any mathematics course in schools! Everyone has an intuitive understanding of probability at its most simple level, but it is amazing how short... more

### ScattertasticFri 7 December 2012

'Use the power of these virtual manipulatives to play with the ideas behind scattergraphs, correlation and lines of best fit.' The study of statistics at school is a great opportunity to show... more

### Homicide RatesMon 26 December 2016

This is an able students who has, in general, shown excellent attention to detail and this has come across in this internal assessment. The student studies geography and has a real interest in human geography... more

### Focus on Calculus ConceptTue 4 October 2016

This is the first of three sections on differential calculus. This is significant branch of mathematics with lots of applications. It builds very nicely on other concepts in the course and those you are... more

### Focus on - Quadratic ModelsMon 3 October 2016

Quadratic functions are those in the form f(x) = ax2 + bx + c, and have fascinated mathematicians for centuries. They have some fundamental properties that will explored in this unit. Probably the best... more

### Interpreting World StatisticsfreeMon 26 September 2016

'What impact have key events had on the health and wealth of nations over the last 200 years?' This activity makes use of the 'Awesome' (a word that should be used less but is totally appropriate here)... more

### Gun CrimefreeFri 17 October 2014

This project is a good, clear example of how a student can get high marks with simple, but clear ideas. The project involves the collection of data on gun crime and gun ownership in different countries... more

### Focus on - Exponential modelsMon 3 October 2016

The exponential function is set apart from other families of functions because of the fundamental impact of having the variable in the exponent. It stops being a multiplier and starts being more 'powerful'... more

### Notes FilesfreeSat 3 January 2015

As mentioned before, these files have arisen from looking for a solution to note taking in class. The result has become a useful revision tool. I did not want to spend time creative comprehensive notes... more

### Revision Day!Mon 10 October 2016

With the final exams looming, it can be helpful for students to organise a day that helps them identify their strengths and weaknesses and focus on them, whilst giving them an extra opportunity to get... more

### Project ProblemsfreeThu 6 October 2016

The following is a list and description of some of the most common problems there are involved with choosing and completing projects, along with some ideas about how to overcome them. It is intended for... more

### Focus on Non-right angle trigonometryThu 17 November 2016

Here we take trigonometry to the next level by working with triangles that do not have a right angle. We will work on three key rules. The Sine rule, the Cosine rule and the formula for th area of a triangle.... more

### Managing ProjectsfreeWed 5 October 2016

This page offers a number of management strategies for teachers and students for the planning and completion of a good Internal Assessment project in a sensible time frame. When should students start... more

### Focus on SOHCAHTOASun 18 September 2016

This part of trigonometry can be seen in the recurring relationships between the sides of right angles triangles. The relationship means that we can use two bits of information about a triangle to work... more

### Cuboid ChallengeThu 23 February 2017

This activity is really easy to describe, but difficult to carry out! It is a very hands on activity that should help develop a really good understanding of the geometry of pyramids. Making them is the... more

### Common ErrorsFri 7 October 2016

Common errors are both surprising and then not! There are bound to be things that are that much more difficult or that much more likely to be left out, but at the same time, if we know about them then... more

### Project InspirationThu 6 October 2016

The idea of a Mathematical project or investigation is something that always really excites a lot of Maths teachers, but often Maths Studies students need a little bit more persuasion to get excited.... more

### In The MoneyFri 23 September 2016

'Seconds to make up your mind! - Have fun with this hypothetical problem of sequences'A long lost relative wants to share their fortune with you! There are 4 different options about how to receive your... more

### Focus on stationary points and optimisationThu 14 July 2016

In this section we look at how calculus is used to find the local maximum and minimum values of functions and, as such, how that is used to optimise. This is done both in the abstract and in context but... more

### Television SeriesMon 30 January 2017

In the age of user ratings (airbnb, trip advisor) more of our decisions are based on the views of 'the crowd' and those in the industry being rated will be increasingly interested in what it takes to... more

### Schemes of WorkMon 19 September 2016

How and where to fit this course into the time allowed is a constant concern for most teachers. If you are an experienced teacher of Maths Studies then you have probably arrived at numerous versions of... more

### Favourite moviesMon 9 January 2017

This is a student that struggles a lot with some fundamental mathematical ideas and applications of those ideas and - as such - the project is not breathtaking. That said, the student has followed their... more

### Paper 2Mon 10 October 2016

A bullet point description of paper 1The following outlines how accuracy is examined to the best of my understanding. A new ruling on accuracy was brought into play in November 2011. A principle reason... more

### Practise ProjectsThu 6 October 2016

Time is probably the teachers biggest complaint when it comes to fitting in different ideas into a syllabus and it is so with good reason! As a result, it is often beneficial to look for ways in which... more

### Logic, Sets & ProbabilityMon 26 September 2016

'A guide for for teaching! Ideas and resources and lessons to look forward to'A fantastic element of the course, this unit gives importance to a part of Mathematics that is otherwise easily overlooked.... more

### StudyIB.netfreeSat 11 March 2017

I am excited to be able to tell you about this new resource I have been developing for students. It came from a genuine desire to be able to give my own students a really useful support resource as they... more

### Optimal JumbleTue 4 October 2016

'Piece this puzzle together by splitting up the three problems into a logical order'This problem is all about the 9 steps of 3 different optimisation problems. These have been cut up in to 27 pieces and... more

### Rates of ChangeTue 4 October 2016

'Distance, speed and acceleration - how does one affect the other?'The concepts behind calculus begin with understanding the notion of 'rate of change'. Kinematics - the study of moving objects is a really... more

### Which Rule?freeThu 29 September 2016

'Master the art of working out when best to apply which rule to trigonometry problems'From SOHCAHTOA to cosine rule to Pythagoras's theorem, it can be difficult to know which is the most appropriate rule... more

### G & T Teaching IdeasfreeTue 27 September 2016

Here you should find a wealth of resources that can be used by you and your students for teaching this topic. The resources at the top of the page are activities and investigations aimed at creating a... more