Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 100. Work out y when x = 7.
- 2Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 5 cm and angle 180°. Work out its area, to 1 decimal place.
- 3Conditional Probability3 marks
25 students study Spanish and 12 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 11, lower quartile 14, median 21, upper quartile 23 and maximum 25. Work out the interquartile range.
- 5Standard Form2 marks
Work out (4 x 10^7) x (6 x 10^-5). Give your answer in standard form.
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