The corner shop has a sale on tins of paint. The diagram shows a price scale used in the shop window, with an arrow marking the new sale price of one tin, r...
Question 1 Report
The corner shop has a sale on tins of paint. The diagram shows a price scale used in the shop window, with an arrow marking the new sale price of one tin, reduced from the original price of £9.00.
- Write down the sale price of one tin of paint shown on the scale. (1)
- Work out the amount by which the price has been reduced. (1)
- Write the reduction as a fraction of the original price of £9.00, giving your answer as a decimal correct to 2 decimal places. (2)
- Give the sale price correct to the nearest pound. (1)
Answer Details
On a price scale marked at intervals of 2 units, the arrow's position gives the current price; a price reduction is the original price minus the sale price, and it can be expressed as a decimal fraction of the original by dividing.
- The scale runs from 0 to 10 in five equal sections, each split into two smaller divisions of £1. The arrow points midway between 6 and 8, at £6.75 (three small divisions past 6). [1]
- Subtracting the sale price from the original £9.00: \[£9.00 - £6.75 = £2.25\] [1]
- Dividing the reduction by the original price: \[£2.25 \div £9.00 = 0.25\] [2]
- £6.75 to the nearest pound rounds up, since the amount is more than halfway to £7: £7. [1]
Work out the value of one small scale division before reading the arrow's position; here each small mark is worth £1, since the gap from 0 to 2 is split into two divisions.
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