Daily Practice · Higher

Daily Practice - Higher

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

15th October 2010

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

1
Enlarging with Negative Scale Factors3 marks
The point (6, 1) is enlarged by scale factor -1 about the centre (0, -4). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 10 are in A only, 13 in B only, 11 in both and 4 in neither. Work out the probability a random one is in both.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the beetle population of a woodland. State one assumption the method relies on.
4
Standard Form3 marks
Work out (21 x 10^10) / (7 x 10^4). Give your answer in standard form.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = 4x + 6. Work out the gradient of any line perpendicular to it.

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