Foundation Plus
18th December 1981
- 1Averages from Frequency Tables2 marks
Grouped data has five classes of width 10, the first being 40 < x <= 50. The frequencies in order are 3, 7, 16, 21, 11. Write down the modal class.
- 2Standard Form2 marks
Work out (5 x 10^3) x (7 x 10^6). Give your answer in standard form.
- 3Solving Simultaneous Equations Graphically3 marks
The lines y = x - 5 and y = 2x - 10 are drawn. Write down the coordinates of the point where they cross.
- 4Scale Drawings2 marks
A map has a scale of 1 : 50000. Two villages are 14.5 cm apart on the map. How far apart are they in real life, in km?
- 5Exact trig values1 mark
Write down the exact value of sin 45°.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1981, including the monthly compilation PDF.