Daily Practice · Higher

Daily Practice - Higher

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

10th March 2012

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

1
Box Plots2 marks
A box plot has minimum 13, lower quartile 22, median 26, upper quartile 32 and maximum 37. Work out the interquartile range.
2
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.222... as a fraction in its simplest 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 = 3, y = 45. Work out y when x = 6.
5
Enlarging with Negative Scale Factors3 marks
The point (0, -6) is enlarged by scale factor -1 about the centre (4, 2). Write down the coordinates of the image.

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