Double these numbers and write down the answers in the back of your book:
5  9  14  17  22  26 
35  47  61  76  92  99 
587  983  1310  1474  2061  2425 
8.4  0.86  0.045  0.0067  0.00027  34.04 
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Topics: Starter  Arithmetic
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5 x 2 = 10  9 x 2 = 18  14 x 2 = 28  17 x 2 = 34  22 x 2 = 44  26 x 2 = 52 
35 x 2 = 70  47 x 2 = 94  61 x 2 = 122  76 x 2 = 152  92 x 2 = 184  99 x 2 = 198 
587 x 2 = 1174  983 x 2 = 1966  1310 x 2 = 2620  1474 x 2 = 2948  2061 x 2 = 4122  2425 x 2 = 4850 
8.4 x 2 = 16.8  0.86 x 2 = 1.72  0.045 x 2 = 0.09  0.0067 x 2 = 0.0134  0.00027 x 2 = 0.00054  34.04 x 2 = 68.08 
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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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