Daily Practice · Higher

Daily Practice - Higher

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

22nd May 2015

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

1
Enlarging with Negative Scale Factors3 marks
The point (0, -6) is enlarged by scale factor -1 about the centre (4, -3). Write down the coordinates of the image.
2
Venn Diagrams3 marks
In a Venn diagram, 17 are in A only, 7 in B only, 12 in both and 5 in neither. Work out the probability a random one is in both.
3
Capture Recapture2 marks
A capture-recapture estimate is made of the moth population of a meadow. State one assumption the method relies on.
4
Bounds2 marks
A mass is 14.7 kg, correct to 1 decimal place. Write down the upper bound.
5
Parallel and Perpendicular Lines3 marks
A line has equation y = 2x + 1. Work out the gradient of any line perpendicular to it.

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