*InThinking*

Educational Consultants

Innovative

International

**Disclaimer**:
*InThinking* subject sites are neither endorsed by nor connected with
the International Baccalaureate Organisation.

### Forthcoming Workshops

#### Mathematics: Implementing the MYP curriculum

IBMYP Category 1

Berlin, Germany

19 to 21 October 2018

more info

#### Mathematics: Delivering the MYP Curriculum

IBMYP Category 2

Berlin, Germany

15 to 17 March 2019

more info

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

### School visits

If you are interested in **Oliver Bowles**, **Jim Noble** & **Cornelia 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**

# Latest updates

### Human Venn Diagramsfree19 September 2018

'Where do you fit on the giant Venn Diagram?'Help students get to grips with Venn diagrams by making a giant one with playground chalk, coming up with different ways of classifying themselves and jumping... more

### Site Updatesfree18 September 2018

Get a detailed summary of every change and update here.One of the major advantages of web based resources must be that they remain dynamic. Whilst I hope there is already a significant amount of very... more

### Sequences 2 - Solutions18 September 2018

This page offers solutions to the set of IB style questionsThe first 4 terms of an arithmetic sequence are shown below3, 9, 15, 21Solution\(a)\quad 27\quad (Common\quad difference\quad is\quad 6)\\ b)\quad { U }_{ n }={ U }_{ 1 }+d(n-1),\quad So\quad { U }_{ n }=3+6(n-1)\\ \quad \quad \quad So\quad { U }_{ 100 }=597\\ c)\quad { S }_{ n }=\frac { n }{ 2 } ({ 2U }_{ 1 }+d(n-1))\\ \quad \quad \quad { S }_{ 30 }=\frac { 30 }{ 2 } (2\times 3+6(30-1))\\ \quad \quad \quad { S }_{ 30 }=2700\)A geometric Sequence has all its terms positive. The... more

### N & A Practice18 September 2018

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

### Focus on Logic6 September 2018

This is a unique unit that provides an excellent opportunity to get to heart of key mathematical principles. There are some rich links with the theory of knowledge course and of course with sets and probability.... more

### Focus on correlation and regression18 August 2018

The search for meaningful relationships between two variables. Here we take the leap from 1 variable to 2 variable data analysis. In any given survey we collect data for a number of 'items' surveyed.... more

### Statistics Practice18 August 2018

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

### Box plots - why?11 August 2018

What is in a bunch of numbers? What stories do the numbers tell? It all depends on the way we look at them! Probably, we all have different instincts about what we might do with a given group of numbers.... more

### Models - New Syllabus 20196 August 2018

With changes just around the corner, this page is to help us all understand what changes are coming and the new syllabus compares with the old syllabus. There is already a lot of information available... more

### G and T - New syllabus 201930 July 2018

With changes just around the corner, this page is to help us all understand what changes are coming and the new syllabus compares with the old syllabus. There is already a lot of information available... more