Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
18th November 2021
- 1Histograms2 marks
A histogram class is 5 units wide and contains 12.5 values. Work out the frequency density.
- 2Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.8989... as a fraction in its simplest form.
- 3Expanding and Factorising Quadratics3 marks
Factorise x^2 + 8x + 7.
- 4Repeated Percentage Change3 marks
A town's population is 17500 and grows by 6% each year. Work out the population after 5 years, to the nearest whole number.
- 5The Sine Rule3 marks
In triangle ABC, angle A is 36°, angle B is 94° and side a is 8 cm. Use the sine rule to work out side b, to 1 decimal place.
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