Daily Practice · Higher

Daily Practice - Higher

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

7th December 2006

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Histograms2 marks
A histogram class is 10 units wide and contains 20 values. Work out the frequency density.
2
Standard Form3 marks
Work out (24 x 10^12) / (6 x 10^2). Give your answer in standard form.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -2x + 1. Work out the gradient of any line perpendicular to it.
4
Repeated Percentage Change3 marks
A town's population is 8500 and grows by 6% each year. Work out the population after 3 years, to the nearest whole number.
5
Enlarging with Negative Scale Factors3 marks
The point (-5, 0) is enlarged by scale factor -3 about the centre (-1, -4). Write down the coordinates of the image.

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