Foundation
30th January 1982
- 1Error Intervals2 marks
A length x is 3.8 cm, rounded to 1 decimal place. Write down the error interval for x.
- 2Function Machines2 marks
A function machine multiplies by 8 then subtracts 13. 75 comes out. What went in?
- 3Exchange Rates2 marks
£1 is worth 1.85 Australian dollars. Convert 675 Australian dollars into pounds. Give your answer to the nearest penny.
- 4Area and Circumference of Circles2 marks
A circle has a radius of 14 cm. Work out its circumference, leaving your answer in terms of pi.
- 5Systematic Listing2 marks
Using only the digits 8, 7, 2, 5 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 January 1982, including the monthly compilation PDF.