Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
3rd February 2017
- 1Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 28. Work out y when x = 12.
- 2Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 3 cm and angle 45°. Work out its area, to 1 decimal place.
- 3Conditional Probability3 marks
11 students study Spanish and 6 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Capture Recapture2 marks
A capture-recapture estimate is made of the moth population of a meadow. State one assumption the method relies on.
- 5Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.3939... as a fraction in its simplest form.
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