Daily Practice · Higher

Daily Practice - Higher

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

23rd March 1999

5 questions · 15 marks · Grades 6-7 · 61 question types in this band

1
Enlarging with Negative Scale Factors3 marks
The point (-3, -2) is enlarged by scale factor -2 about the centre (1, -4). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 13 are in A only, 13 in B only, 11 in both and 9 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
40 voles are marked and released. Later 32 are caught, of which 4 are marked. Estimate the population.
4
Standard Form3 marks
Work out (63 x 10^8) / (7 x 10^4). Give your answer in standard form.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = 3x + 2. Work out the gradient of any line perpendicular to it.

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