Higher
28th February 1958
- 1Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
- 2Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.555... as a fraction in its simplest form.
- 3Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -3x - 9 that passes through (3, 2).
- 4Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 48. Work out y when x = 8.
- 5SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 20 cm, 21 cm and 29 cm. Work out the angle opposite the 20 cm side, to 1 decimal place.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1958, including the monthly compilation PDF.