Philip Fitter exercised each weekday.
On Monday he did 12 chinups.
On Tuesday he did 7 chinups.
On Wednesday he did 6 chinups.
On Thursday he did 15 chinups.
How many chinups did he do on Friday if his average (mean) for the five day week was 11 chinups per day?
Rintin Rep exercised each weekday this week. On Monday he did 12 chinups.
Each day his average number of chinups per day increased by one.
How many chinups did he do on Friday?
Barry Blue exercised each weekday this week. On Monday he did 12 chinups.
Each day his average number of chinups per day doubled.
How many chinups did he do on Friday?
Sonia Strong exercised each weekday this week. On Monday she did x chinups.
Each day her average number of chinups per day increased by one.
How many chinups did she do on Friday?
Hetty Health exercised each weekday this week. On Monday she did x chinups.
Each day her average number of chinups per day doubled.
How many chinups did she do on Friday?
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Topics: Starter  Algebra  Averages  Problem Solving
Um, can anyone tell me why I've never used @Transum before?! Tons of fun #math activities #isdwow #wherehaveyoubeenallmylife
— Jonathan Lind (@lindjonath) April 20, 2017
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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... 
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