Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
29th April 2010
- 1Repeated Percentage Change3 marks
A town's population is 17000 and grows by 6% each year. Work out the population after 4 years, to the nearest whole number.
- 2Congruent Triangles2 marks
Two triangles are known to be congruent because two pairs of sides and the angle between them are equal. Which congruence condition is this?
- 3Conditional Probability3 marks
13 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 2 units wide and contains 1 values. Work out the frequency density.
- 5Surds2 marks
Write sqrt(20) in the form a sqrt(b), where b is as small as possible.
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