Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

6th August 2002

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

1
Capture Recapture3 marks
25 beetles are marked and released. Later 12 are caught, of which 3 are marked. Estimate the population.
2
Standard Form3 marks
Work out (35 x 10^9) / (7 x 10^3). Give your answer in standard form.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 2x + 2. Work out the gradient of any line perpendicular to it.
4
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 8. Write y in terms of x.
5
Enlarging with Negative Scale Factors3 marks
The point (-3, -5) is enlarged by scale factor -3 about the centre (2, -4). Write down the coordinates of the image.

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