Daily Practice · Higher

Daily Practice - Higher

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

28th November 1997

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

1
Enlarging with Negative Scale Factors3 marks
The point (5, -3) is enlarged by scale factor -1 about the centre (-4, 2). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 6 are in A only, 4 in B only, 5 in both and 8 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
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.2525... as a fraction in its simplest form.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -4x + 9. Work out the gradient of any line perpendicular to it.

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