Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
30th April 2009
- 1Conditional Probability3 marks
19 students study Spanish and 9 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 5 units wide and contains 15 values. Work out the frequency density.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.111... as a fraction in its simplest form.
- 4Solving Quadratics3 marks
Solve x^2 + 6x + 5 = 0.
- 5Repeated Percentage Change3 marks
A town's population is 17000 and grows by 8% each year. Work out the population after 2 years, to the nearest whole number.
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Every sheet is deterministic: the same date always regenerates the same five questions. All of April 2009, including the monthly compilation PDF.