Daily Practice · Higher

Daily Practice - Higher

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

9th February 2007

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

1
Enlarging with Negative Scale Factors3 marks
The point (3, 5) is enlarged by scale factor -1 about the centre (2, 3). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 8 are in A only, 4 in B only, 8 in both and 7 in neither. Work out the probability a random one is in both.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the newt population of a stream. State one assumption the method relies on.
4
Standard Form2 marks
Work out (7 x 10^7) x (6 x 10^3). Give your answer in standard form.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = 2x + 4. Work out the gradient of any line perpendicular to it.

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