Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
8th February 2007
- 1Repeated Percentage Change3 marks
A town's population is 8000 and grows by 4% each year. Work out the population after 2 years, to the nearest whole number.
- 2Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 14 cm and angle 120°. Work out its area, to 1 decimal place.
- 3Conditional Probability3 marks
16 students study Spanish and 10 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Histograms2 marks
A histogram class is 4 units wide and contains 10 values. Work out the frequency density.
- 5Bounds2 marks
A mass is 77 kg, correct to the nearest whole number. Write down the upper bound.
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