Daily Practice · Higher

Daily Practice - Higher

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

12th May 2023

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
The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 3 digits (0 to 9), and repeats are allowed. How many codes are possible?
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 4x + 9. 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 = 12. Work out y when x = 8.
5
Enlarging with Negative Scale Factors3 marks
The point (6, 0) is enlarged by scale factor -3 about the centre (2, 3). Write down the coordinates of the image.

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