Daily Practice

Higher

16th December 1986

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Capture Recapture3 marks
50 voles are marked and released. Later 24 are caught, of which 8 are marked. Estimate the population.
2
Bounds2 marks
A mass is 47 kg, correct to the nearest whole number. Write down the lower bound.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 5x + 1. Work out the gradient of any line perpendicular to it.
4
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 7. Write y in terms of x.
5
Enlarging with Negative Scale Factors3 marks
The point (0, -1) is enlarged by scale factor -1 about the centre (-2, 4). 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 December 1986, including the monthly compilation PDF.