Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Enlarging with Negative Scale Factors3 marks
The point (4, -6) is enlarged by scale factor -1 about the centre (-1, 2). Write down the coordinates of the image.
- 2Venn Diagrams3 marks
In a Venn diagram, 5 are in A only, 11 in B only, 6 in both and 10 in neither. Work out the probability a random one is in both.
- 3Box Plots2 marks
A box plot has minimum 14, lower quartile 16, median 22, upper quartile 28 and maximum 33. Work out the interquartile range.
- 4Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.3939... as a fraction in its simplest form.
- 5Parallel and Perpendicular Lines3 marks
A line has equation y = -4x + 5. Work out the gradient of any line perpendicular to it.
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