Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
13th August 2015
- 1Repeated Percentage Change3 marks
A town's population is 40000 and grows by 5% each year. Work out the population after 3 years, to the nearest whole number.
- 2Similar Shapes (Area and Volume)3 marks
Two similar shapes have lengths in the ratio 1 : 3. The smaller has an area of 26 cm^2. Work out the area of the larger.
- 3Conditional Probability3 marks
32 students study Spanish and 12 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 12.5 values. Work out the frequency density.
- 5Fractional and Negative Indices2 marks
Write 8^-1 as a fraction.
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