Daily Practice · Higher

Daily Practice - Higher

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

28th February 2014

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

1
Capture Recapture2 marks
A capture-recapture estimate is made of the ladybird population of a garden. State one assumption the method relies on.
2
Standard Form3 marks
Work out (28 x 10^12) / (4 x 10^5). Give your answer in standard form.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 4x + 3. Work out the gradient of any line perpendicular to it.
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 2, y = 8. Work out y when x = 14.
5
Enlarging with Negative Scale Factors3 marks
The point (-6, 4) is enlarged by scale factor -3 about the centre (3, -1). Write down the coordinates of the image.

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