Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
8th October 2015
- 1Conditional Probability3 marks
30 students study Spanish and 10 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Histograms2 marks
A histogram class is 20 units wide and contains 50 values. Work out the frequency density.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.4545... as a fraction in its simplest form.
- 4Solving Quadratics3 marks
Solve x^2 - 10x + 16 = 0.
- 5Repeated Percentage Change3 marks
A town's population is 32000 and grows by 5% each year. Work out the population after 5 years, to the nearest whole number.
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