Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
15th December 2021
- 1Speed and Density2 marks
A block has volume 70 cm^3 and density 7.5 g/cm^3. Work out its mass.
- 2Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 3 cm and angle 90°. Work out its area, to 1 decimal place.
- 3Conditional Probability3 marks
27 students study Spanish and 7 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 6, 10, 12, 5. Write down the cumulative frequency at the end of the third class.
- 5Standard Form2 marks
Work out (5 x 10^5) x (6 x 10^3). Give your answer in standard form.
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