Foundation Plus
20th August 1962
- 1Expanding and Factorising2 marks
Expand and simplify 5(9x - 3).
- 2Repeated Percentage Change3 marks
A town's population is 20000 and grows by 3% each year. Work out the population after 4 years, to the nearest whole number.
- 3Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 8 cm^2. Work out the area of the larger.
- 4Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 200 times. How many heads would you expect?
- 5Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 7x + 33. Use it to estimate y when x = 11.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of August 1962, including the monthly compilation PDF.