Daily Practice · Higher

Daily Practice - Higher

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

30th December 1997

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

1
Capture Recapture3 marks
10 beetles are marked and released. Later 16 are caught, of which 4 are marked. Estimate the population.
2
Fractional and Negative Indices2 marks
Write 2^-3 as a fraction.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -3x + 7. Work out the gradient of any line perpendicular to it.
4
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 3. Write y in terms of x.
5
Enlarging with Negative Scale Factors3 marks
The point (-1, 5) is enlarged by scale factor -1 about the centre (2, -2). Write down the coordinates of the image.

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