On Friday, y5 had the huge task of calculating how many decking boards we needed to purchase for our ‘Courtyard Garden’ project. Even though the maths was very complicated, most of us got to grips with at least with one aspect of the maths.
Over the weekend, I double-checked our maths and ordered the decking. However, you’ll see from the image below that my maths doesn’t agree with Wickes’!
In ‘Word Problem’ language, the question might sound like this:
Mr Flint orders 20x 1.8m decking boards @ £3.49 each and 16x 2.4m decking boards @ £4.49 each. The decking boards are on a ‘Buy 4 get 1 free’ offer. Mr Flint calculates that this will cost £136.23 (£106.23 + £30 delivery). Wickes calculate that the total price is £140.23. Which is the correct price?