The six button has dropped off!
How could the calculations on the right be done using this calculator?
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Topics: Starter  Arithmetic  Calculator  Mental Methods  Problem Solving
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Previous Day  This starter is for 2 October  Next Day
Here are some possible solutions though of course there are
many more:
59996 + 8006 = 59995 + 8007
559  256 = 558  255
255 x 36 = 255 x 18 x 2
25% of 560 = 0.5 x 280
45 x 1/6 = 45 ÷ 2 ÷ 3
0.16 x 23.66 = 0.08 x 47.32
26^{6} = 13 x 13 x 13 x 13 x 13 x 13 x 32 x 2
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? 

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