Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
3rd October 2012
- 1Speed and Density2 marks
A block has volume 200 cm^3 and density 2.5 g/cm^3. Work out its mass.
- 2Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 10 cm and angle 45°. Work out its area, to 1 decimal place.
- 3Conditional Probability3 marks
27 students study Spanish and 10 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 4, 12, 6, 8. Write down the cumulative frequency at the end of the third class.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.7474... as a fraction in its simplest form.
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