Daily Practice · Higher

Daily Practice - Higher

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

17th December 2004

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
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.333... as a fraction in its simplest form.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -4x + 2. Work out the gradient of any line perpendicular to it.
4
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 36. Work out y when x = 8.
5
Enlarging with Negative Scale Factors3 marks
The point (-1, -2) is enlarged by scale factor -2 about the centre (0, 0). Write down the coordinates of the image.

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