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*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

### Volume of Pyramid TN13 April 2017

Teacher NotesThis is a lovely practical activity to help students visualise and derive the formula for the volume of a pyramid. By constructing square based pyramids (10cm by 10cm) with height 5cm then... more

### Activitiesfree13 April 2017

Age 10+ Time 1-2 hrs: This activity is about understanding the properties of quadrilaterals. A far deeper understanding is gained if we can use them to construct the shapes themselves. This is a real... more

### Roll 'em4 January 2017

Roll it. Is that what you expected? Roll again, and again, ...Probability is a fairly new mathematical concept. For a long time gamblers were scared to analyse games of chance with mathematics because... more

### Guess My Colourfree4 January 2017

Guess the colour. Take a cube. Are you right?You really can’t play enough probability games! How good are you at guessing? Does it involve any skill or it down to luck? If you get some extra information... more

### Area of Parallelogramfree29 December 2016

Discover the Area of a Parallelogram Look at this shape. What do you see? What are the names of the shapes? Would you be able to find the area of the shapes? In this activity, the aim to explore the properties... more

### Percentage difference puzzlefree6 December 2016

What's the difference?How well do people know the facts about the places they live? Here are some results of a real survey to find out just that. People were asked 'how many people out of 100 in your... more

### Modeling Disease1 November 2016

'Modeling Disease saves lives - How and Why?'Advantages of the activity: A very engaging context, accessible to all, which provides a physical world "memory" aid and conceptual context within which the... more

### Modelling, Inquiry, Inspirationfree8 September 2016

There are lots and lots of great videos out on the net that make an engaging introduction to mathematical concepts and techniques but finding them can take time! Session 1: Inspiration and inquiry - videos... more

### Transformation Game28 July 2016

Score the most points to win this fun board gameThis activity will get you to practise your skills in transforming shapes. You will need a bit of luck and some strategy to get the most points and win... more

### Euro2016 Betting: Fract,dec,%27 June 2016

Betting odds are an everyday example that seem so simple, yet actually require a lot of mathematical thinking to fully understand. In particular the extension where the understanding “chance of winning”... more