Foundation Plus
1st November 1988
- 1Expanding and Factorising2 marks
Expand and simplify 2(2x + 6).
- 2Compound Interest and Depreciation3 marks
£2800 is invested at 4% compound interest per year. Work out the value after 3 years, to the nearest penny.
- 3Angles in Parallel Lines2 marks
Two parallel lines are crossed by a straight line. One of a pair of corresponding angles is 143°. Work out the other, and give a reason.
- 4Probability Trees3 marks
A bag holds 3 red and 9 blue counters. One is taken, replaced, then another is taken. Work out the probability both are red.
- 5Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 3x + 38. Use it to estimate y when x = 3.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of November 1988, including the monthly compilation PDF.