Daily Practice · Higher

Daily Practice - Higher

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

20th February 2011

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

1
Box Plots2 marks
A box plot has a minimum of 15 and a maximum of 40. Work out the range.
2
Surds2 marks
Write sqrt(98) in the form a sqrt(b), where b is as small as possible.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = -5x + 4. Work out the gradient of any line perpendicular to it.
4
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 8, y = 30. Work out y when x = 10.
5
Enlarging with Negative Scale Factors3 marks
The point (2, 1) is enlarged by scale factor -1 about the centre (3, 2). Write down the coordinates of the image.

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