Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
6th October 2007
- 1Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 12. Work out y when x = 6.
- 2Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 8 cm and angle 30°. Work out its area, to 1 decimal place.
- 3Conditional Probability3 marks
25 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Box Plots2 marks
A box plot has minimum 10, lower quartile 18, median 21, upper quartile 28 and maximum 33. Work out the interquartile range.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.888... as a fraction in its simplest form.
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