Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Conditional Probability3 marks
21 students study Spanish and 5 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 6, lower quartile 15, median 17, upper quartile 20 and maximum 22. Work out the interquartile range.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.2424... as a fraction in its simplest form.
- 4Inequalities on Graphs3 marks
Does the point (-1, 0) satisfy y > -x + 1?
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 180. Work out y when x = 4.
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