Daily Practice · Higher

Daily Practice - Higher

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

8th April 2005

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

1
Enlarging with Negative Scale Factors3 marks
The point (-5, -1) is enlarged by scale factor -3 about the centre (0, 0). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 8 are in A only, 17 in B only, 8 in both and 2 in neither. Work out the probability a random one is in both.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
4
Bounds2 marks
A mass is 90 kg, correct to the nearest 10. Write down the lower bound.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -3x + 5. Work out the gradient of any line perpendicular to it.

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