*InThinking*

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

### School visits

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

### Modelling Quadraticsfree19 October 2017

Find curves in monuments, buildings and water jets and fit a parabola to them using dynamic geometry software.' Quadratic graphs are everywhere you look. They can describe the paths of rockets, balls... more

### Percentage Investmentsfree7 October 2017

Sometimes our intuition/gut feeling for numbers can lead us astray.What's the best way your parents could help to make your life easier? i'm sure you can think of many ways. . ! One way would be to invest... more

### Logarithms: An Introductionfree7 October 2017

Have you worked it out yet: 984 876 543 210 x 875 622 375 933 ? Compare methods in the class - have we all used the same method? Now compare your answers, are they all the same?Most people tend to make... more

### Physical World Sequencesfree5 October 2017

Anything that can be measured can be analysed using sequences. In this activity you have 5 sets of cards: (1) 'Physical World' things that can be measured, (2) number relations, (3) equations, (4) graphs... more

### Formulae Substitution5 October 2017

Welcome, welcome, benvenuti to Luigi's Lunch Lounge, or should I say: svaga hai to Taj's Indian delicacies. You have entered the Waiter/Waitress of the Year competition. As part of the selection process... more

### Exponential Graphsfree18 September 2017

'Discover the properties of Exponential Graphs and pit your wits against the computer with some fun games'Exponential functions are incredibly useful. The simplest 2, 4, 8, 16, 32, ..., doubling is probably... more

### Discovering SOHCAHTOAfree9 September 2017

'An investigation to discover the 3 trigonometric ratios using dynamic geometry software'This investigation will help you learn how to find unknown sides in right-angled triangles. Trigonometry (comes... more

### Algebra Movies Libraryfree28 June 2017

Click on Show in the Page Contents panel: at the top right of this page to navigate to the appropriate section.Below is a catalogue of videos for students to watch on their mobile phones or any other... more

### Cones - TN14 June 2017

The great thing about this activity is how it seems as though it is going to be easy and then isn't at all. This combined with its practical nature offers a good and engaging starting point that means... more

### Student Surveyfree25 April 2017

This page is dedicated to a collaborative project involving a worldwide student (and teacher) survey. Below you will find a questionnaire that will take 15-20 minutes for students to complete. Teachers... more