Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Conditional Probability3 marks
22 students study Spanish and 3 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 15, lower quartile 19, median 29, upper quartile 33 and maximum 39. Work out the interquartile range.
- 3The Product Rule for Counting2 marks
A meal deal has 8 mains, 9 sides and 2 drinks. How many different meals are possible?
- 4Solving Quadratics3 marks
Solve x^2 + 13x + 40 = 0.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 175. Work out y when x = 8.
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