Foundation
13th July 1985
- 1Error Intervals2 marks
A length x is 4 cm, rounded to the nearest whole number. Write down the error interval for x.
- 2Function Machines2 marks
A function machine multiplies by 5 then subtracts 5. 25 comes out. What went in?
- 3Exchange Rates2 marks
£1 is worth 1.08 Swiss francs. Convert 200 Swiss francs into pounds. Give your answer to the nearest penny.
- 4Angles2 marks
An isosceles triangle has an apex angle of 102°. Work out one of the two equal base angles.
- 5Systematic Listing2 marks
Using only the digits 9, 1, 3 and no digit twice, how many different two-digit numbers can be made?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of July 1985, including the monthly compilation PDF.