Daily Practice · Higher

Daily Practice - Higher

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

5th October 2018

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 snail population of a hedgerow. State one assumption the method relies on.
2
Bounds2 marks
A mass is 44 kg, correct to the nearest whole number. Write down the lower bound.
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 = 3, y = 9. Work out y when x = 11.
5
Enlarging with Negative Scale Factors3 marks
The point (3, 2) is enlarged by scale factor -3 about the centre (0, 2). Write down the coordinates of the image.

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