Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
15th June 2013
- 1Box Plots2 marks
A box plot has minimum 7, lower quartile 15, median 20, upper quartile 28 and maximum 37. Work out the interquartile range.
- 2Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.666... as a fraction in its simplest form.
- 3Inequalities on Graphs2 marks
A region is defined by y <= 5x - 3. Should the boundary line be solid or dashed, and why?
- 4Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 27. Work out y when x = 2.
- 5Spheres and Cones3 marks
A cone has base radius 3 cm and vertical height 3 cm. Work out its volume, leaving your answer in terms of pi.
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