Daily Practice · Higher

Daily Practice - Higher

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

21st September 2007

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

1
Capture Recapture2 marks
A capture-recapture estimate is made of the moth population of a meadow. State one assumption the method relies on.
2
The Product Rule for Counting2 marks
A meal deal has 6 mains, 7 sides and 5 drinks. How many different meals are possible?
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -2x + 6. 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 = 14. Work out y when x = 8.
5
Enlarging with Negative Scale Factors3 marks
The point (6, 2) is enlarged by scale factor -2 about the centre (-2, 1). Write down the coordinates of the image.

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