Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Cumulative Frequency2 marks
Four classes in order have frequencies 4, 9, 7, 3. Write down the cumulative frequency at the end of the third class.
- 2Reverse Percentages3 marks
A bill is £840 including VAT at 20%. Work out the amount before VAT.
- 3Inequalities on Graphs2 marks
A region is defined by y < 3x + 6. Should the boundary line be solid or dashed, and why?
- 4Speed and Density2 marks
A block has volume 160 cm^3 and density 7.5 g/cm^3. Work out its mass.
- 5Spheres and Cones3 marks
A cone has base radius 8 cm and vertical height 3 cm. Work out its volume, leaving your answer in terms of pi.
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