Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
6th November 2013
- 1Cumulative Frequency2 marks
Four classes in order have frequencies 4, 9, 4, 10. Write down the cumulative frequency at the end of the third class.
- 2Surds2 marks
Write sqrt(72) in the form a sqrt(b), where b is as small as possible.
- 3Inequalities on Graphs2 marks
A region is defined by y < 2x - 4. Should the boundary line be solid or dashed, and why?
- 4Speed and Density2 marks
A block has volume 95 cm^3 and density 8 g/cm^3. Work out its mass.
- 5Spheres and Cones3 marks
A cone has base radius 5 cm and vertical height 6 cm. Work out its volume, leaving your answer in terms of pi.
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