Yes this is a very strange game. "It" is the number in the circle. Students obey the instructions given.
The small button at the bottom right of the red panel will give a new number.
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Topics: Starter  Games  Number
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Previous Day  This starter is for 29 March  Next Day
Casio Classwiz CalculatorThere is currently a lot of talk about this new calculator being the best in its price range for use in the Maths classroom. The new ClassWiz features a highresolution display making it easier to view numerical formulas and symbols but it isn't a graphical calculator as such (it has the capacity to draw graphs on your smart phone or tablet, via a scannable QR code and an app). As well as basic spreadsheet mode and an equation solving feature you also get the ability to solve quadratic, cubic or quartic polynomial inequalities and the answer is given just as it should be written down, using the correct inequality symbols! This calculator has a highperformance processor and twice the memory of previous models ensuring speedy operation and superior computational power.more... 
Teacher, do your students have
access to computers? 

Here a concise URL for a version of this page without the comments.
Here is the URL which will take them to a fastreaction game based on the properties of numbers.
Devise another strange game like today's Starter. Use a spreadsheet to produce a table showing the properties of each number up to 100