Daily Practice · Higher

Daily Practice - Higher

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

30th August 2005

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

1
Enlarging with Negative Scale Factors3 marks
The point (3, 6) is enlarged by scale factor -3 about the centre (-3, 2). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 17 are in A only, 12 in B only, 3 in both and 5 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
50 fish are marked and released. Later 24 are caught, of which 3 are marked. Estimate the population.
4
Standard Form2 marks
Work out (5 x 10^4) x (3 x 10^2). Give your answer in standard form.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -5x + 8. Work out the gradient of any line perpendicular to it.

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