Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 32. Work out y when x = 10.
- 2Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 15 cm and angle 30°. Work out its area, to 1 decimal place.
- 3Conditional Probability3 marks
14 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 ladybird population of a garden. State one assumption the method relies on.
- 5Bounds2 marks
A mass is 20 kg, correct to the nearest whole number. Write down the upper bound.
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