Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
30th November 2017
- 1Repeated Percentage Change3 marks
A town's population is 10000 and grows by 8% each year. Work out the population after 2 years, to the nearest whole number.
- 2Perpendicular Lines and the equation of a tangent2 marks
A line has gradient -4. Work out the gradient of a line perpendicular to it.
- 3Conditional Probability3 marks
20 students study Spanish and 4 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 5 units wide and contains 15 values. Work out the frequency density.
- 5Surds2 marks
Write sqrt(45) in the form a sqrt(b), where b is as small as possible.
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