Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
18th September 2021
- 1Conditional Probability3 marks
15 students study Spanish and 6 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Box Plots2 marks
A box plot has minimum 13, lower quartile 17, median 21, upper quartile 31 and maximum 37. Work out the interquartile range.
- 3Standard Form2 marks
Work out (5 x 10^4) x (5 x 10^-3). Give your answer in standard form.
- 4Inequalities on Graphs3 marks
Does the point (5, -20) satisfy y > -4x + 3?
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 48. Work out y when x = 5.
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