Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
18th February 2017
- 1Box Plots2 marks
A box plot has minimum 7, lower quartile 14, median 17, upper quartile 23 and maximum 28. Work out the interquartile range.
- 2Bounds2 marks
A mass is 330 kg, correct to the nearest 10. Write down the upper bound.
- 3Inequalities on Graphs2 marks
A region is defined by y <= -2x + 5. 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 = 5, y = 125. Work out y when x = 7.
- 5Spheres and Cones3 marks
A cone has base radius 7 cm and vertical height 6 cm. Work out its volume, leaving your answer in terms of pi.
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