Daily Practice · Higher

Daily Practice - Higher

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

1st October 2005

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

1
Box Plots2 marks
A box plot has minimum 8, lower quartile 10, median 14, upper quartile 24 and maximum 33. Work out the interquartile range.
2
Bounds2 marks
A mass is 690 kg, correct to the nearest 10. Write down the lower bound.
3
Parallel and Perpendicular Lines3 marks
A line has equation y = 3x + 9. 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 = 3, y = 18. Work out y when x = 4.
5
Enlarging with Negative Scale Factors3 marks
The point (2, 4) is enlarged by scale factor -1 about the centre (-1, 0). Write down the coordinates of the image.

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