Daily Practice · Higher

Daily Practice - Higher

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

22nd July 2014

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

1
Capture Recapture3 marks
25 newts are marked and released. Later 60 are caught, of which 6 are marked. Estimate the population.
2
Fractional and Negative Indices3 marks
Work out 125^(2/3).
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 5x + 2. Work out the gradient of any line perpendicular to it.
4
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 8. Write y in terms of x.
5
Enlarging with Negative Scale Factors3 marks
The point (-6, 3) is enlarged by scale factor -1 about the centre (-4, -1). Write down the coordinates of the image.

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