Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

23rd May 2000

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
15 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
30 fish are marked and released. Later 90 are caught, of which 9 are marked. Estimate the population.
3
Standard Form2 marks
Work out (5 x 10^7) x (7 x 10^-3). Give your answer in standard form.
4
Solving Quadratics3 marks
Solve x^2 - 6x - 16 = 0.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 7 : 9. Write y in terms of x.

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