Daily Practice · Higher

Daily Practice - Higher

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

28th October 2003

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

1
Enlarging with Negative Scale Factors3 marks
The point (4, 4) is enlarged by scale factor -3 about the centre (1, -1). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 5 are in A only, 3 in B only, 2 in both and 3 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
30 fish are marked and released. Later 18 are caught, of which 3 are marked. Estimate the population.
4
Bounds2 marks
A mass is 10 kg, correct to the nearest whole number. Write down the upper bound.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = -4x + 8. Work out the gradient of any line perpendicular to it.

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