Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
11th September 2014
- 1Repeated Percentage Change3 marks
A town's population is 34000 and grows by 3% each year. Work out the population after 6 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 18 cm^2. Work out the area of the larger.
- 3Conditional Probability3 marks
21 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 4 units wide and contains 6 values. Work out the frequency density.
- 5Bounds2 marks
A mass is 25.9 kg, correct to 1 decimal place. Write down the upper bound.
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