Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
18th October 2000
- 1Speed and Density2 marks
A block has volume 155 cm^3 and density 8 g/cm^3. Work out its mass.
- 2Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 3 cm and angle 60°. Work out its area, to 1 decimal place.
- 3Conditional Probability3 marks
28 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Cumulative Frequency2 marks
Four classes in order have frequencies 10, 12, 10, 5. Write down the cumulative frequency at the end of the third class.
- 5Fractional and Negative Indices2 marks
Write 5^-1 as a fraction.
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