Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
7th August 2024
- 1Speed and Density2 marks
A block has volume 30 cm^3 and density 11 g/cm^3. Work out its mass.
- 2Spheres and Cones3 marks
A sphere has radius 9 cm. Work out its volume, leaving your answer in terms of pi.
- 3Probability Trees3 marks
6 of 10 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 6, 12, 5, 4. Write down the cumulative frequency at the end of the third class.
- 5Surds2 marks
Write sqrt(75) in the form a sqrt(b), where b is as small as possible.
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