Pens cost 15p each,
Pencils cost 9p each.
Jennifer spent 78p altogether.
How many pens and pencils did she buy?
Dishes cost £1.47 each,
Plates cost £1.73 each.
Angelina spent £8.13 on dishes and plates.
How many of each did she buy?
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Topics: Starter  Arithmetic
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Previous Day  This starter is for 15 November  Next Day
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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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If students have access to computing devices you may wish to try solving the following?
Sandwiches cost £1.73 each,
Drinks cost £1.25 each.
Makayla spent £54.70 on sandwiches and drinks.
How many of each did she buy?
[Assume that they bought at least one of each of the items above.]
You may wish to use a spreadsheet or write a program on a graphing calculator:
A  B  C  D  E  F  G  H  I  J  K  
1  Sandwiches  
2  Drinks  1  2  3  4  5  6  7  8  9  10 
3  1  £2.98  £4.71  £6.44  £8.17  £9.90  £11.63  £13.36  £15.09  £16.82  £18.55 
4  2  £4.23  £5.96  £7.69  £9.42  £11.15  £12.88  £14.61  £16.34  £18.07  £19.80 
5  3  £5.48  £7.21  £8.94  £10.67  £12.40  £14.13  £15.86  £17.59  £19.32  £21.05 
6  4  £6.73  £8.46  £10.19  £11.92  £13.65  £15.38  £17.11  £18.84  £20.57  £22.30 
7  5  £7.98  £9.71  £11.44  £13.17  £14.90  £16.63  £18.36  £20.09  £21.82  £23.55 
8  6  £9.23  £10.96  £12.69  £14.42  £16.15  £17.88  £19.61  £21.34  £23.07  £24.80 
9  7  £10.48  £12.21  £13.94  £15.67  £17.40  £19.13  £20.86  £22.59  £24.32  £26.05 
10  8  £11.73  £13.46  £15.19  £16.92  £18.65  £20.38  £22.11  £23.84  £25.57  £27.30 
11  9  £12.98  £14.71  £16.44  £18.17  £19.90  £21.63  £23.36  £25.09  £26.82  £28.55 
12  10  £14.23  £15.96  £17.69  £19.42  £21.15  £22.88  £24.61  £26.34  £28.07  £29.80 