Daily Practice

Higher

13th March 1984

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Capture Recapture3 marks
40 beetles are marked and released. Later 8 are caught, of which 2 are marked. Estimate the population.
2
Fractional and Negative Indices3 marks
Work out 81^(3/2).
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -5x + 7. Work out the gradient of any line perpendicular to it.
4
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 6. Write y in terms of x.
5
Enlarging with Negative Scale Factors3 marks
The point (5, 4) is enlarged by scale factor -1 about the centre (0, 0). Write down the coordinates of the image.

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Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1984, including the monthly compilation PDF.