Daily Practice · Higher

Daily Practice - Higher

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

9th April 2011

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

1
Box Plots2 marks
A box plot has minimum 5, lower quartile 10, median 18, upper quartile 27 and maximum 32. Work out the interquartile range.
2
Standard Form3 marks
Work out (8 x 10^11) / (2 x 10^4). Give your answer in standard form.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -2x + 4. Work out the gradient of any line perpendicular to it.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 288. Work out y when x = 7.
5
Enlarging with Negative Scale Factors3 marks
The point (3, -6) is enlarged by scale factor -2 about the centre (-3, 1). Write down the coordinates of the image.

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