Foundation Plus
7th December 1987
- 1Expanding and Factorising2 marks
Expand and simplify 4(8x + 6).
- 2Repeated Percentage Change3 marks
A town's population is 32500 and grows by 5% each year. Work out the population after 6 years, to the nearest whole number.
- 3SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 23 cm and an angle of 54°. Work out the side adjacent to that angle, to 1 decimal place.
- 4Probability Trees3 marks
A bag holds 5 red and 2 blue counters. Two are taken without replacement. Work out the probability both are red.
- 5Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 9x + 20. Use it to estimate y when x = 6.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1987, including the monthly compilation PDF.