Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
30th December 2022
- 1Conditional Probability3 marks
11 students study Spanish and 4 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.6666... as a fraction in its simplest form.
- 4Solving Quadratics3 marks
Solve x^2 + x - 12 = 0.
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 8, y = 80. Work out y when x = 11.
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