Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
30th January 2019
- 1Speed and Density2 marks
A block has volume 160 cm^3 and density 8 g/cm^3. Work out its mass.
- 2Spheres and Cones3 marks
A sphere has radius 12 cm. Work out its volume, leaving your answer in terms of pi.
- 3Probability Trees3 marks
3 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Cumulative Frequency2 marks
Four classes in order have frequencies 4, 12, 11, 10. Write down the cumulative frequency at the end of the third class.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.3131... as a fraction in its simplest form.
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