Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
25th August 2015
- 1Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 7. Write y in terms of x.
- 2Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 10 cm and angle 180°. Work out its area, to 1 decimal place.
- 3Conditional Probability3 marks
22 students study Spanish and 3 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Capture Recapture3 marks
60 newts are marked and released. Later 16 are caught, of which 4 are marked. Estimate the population.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.8282... as a fraction in its simplest form.
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