Daily Practice · Higher

Daily Practice - Higher

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

13th October 2015

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

1
Enlarging with Negative Scale Factors3 marks
The point (-4, 3) is enlarged by scale factor -1 about the centre (-2, -2). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 15 are in A only, 14 in B only, 8 in both and 2 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
25 beetles are marked and released. Later 50 are caught, of which 5 are marked. Estimate the population.
4
Standard Form2 marks
Work out (3 x 10^4) x (7 x 10^6). Give your answer in standard form.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -2x + 1. Work out the gradient of any line perpendicular to it.

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