Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
23rd April 2022
- 1Box Plots2 marks
A box plot has minimum 2, lower quartile 9, median 13, upper quartile 16 and maximum 24. Work out the interquartile range.
- 2Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.444... as a fraction in its simplest form.
- 3Parallel and Perpendicular Lines3 marks
A line has equation y = -3x + 1. Work out the gradient of any line perpendicular to it.
- 4Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 150. Work out y when x = 4.
- 5Enlarging with Negative Scale Factors3 marks
The point (-3, -2) is enlarged by scale factor -1 about the centre (-4, -4). Write down the coordinates of the image.
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