Daily Practice

Higher

21st December 1982

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

1
Parallel and Perpendicular Lines3 marks
A line has equation y = 5x + 4. Work out the gradient of any line perpendicular to it.
2
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 3. Write y in terms of x.
3
Enlarging with Negative Scale Factors3 marks
The point (3, -1) is enlarged by scale factor -1 about the centre (4, -1). Write down the coordinates of the image.
4
Venn Diagrams3 marks
In a Venn diagram, 18 are in A only, 13 in B only, 8 in both and 5 in neither. Work out the probability a random one is in both.
5
Capture Recapture3 marks
35 newts are marked and released. Later 56 are caught, of which 8 are marked. Estimate the population.

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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1982, including the monthly compilation PDF.