Daily Practice
Foundation Plus
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20th June 1984
- 1Percentages2 marks
Work out 60% of 180.
- 2Angles in Polygons2 marks
A regular polygon has an exterior angle of 45°. How many sides does it have?
- 3Probability Trees3 marks
1 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Scatter Graphs3 marks
A line of best fit on a scatter graph has equation y = 4x + 23. Use it to estimate y when x = 6.
- 5Error Intervals2 marks
A number y is 4 when truncated to the nearest whole number. Write down the error interval for y.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of June 1984, including the monthly compilation PDF.