Daily Practice · Higher

Daily Practice - Higher

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

12th May 2009

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

1
Conditional Probability3 marks
11 students study Spanish and 3 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
15 fish are marked and released. Later 15 are caught, of which 3 are marked. Estimate the population.
3
Surds2 marks
Write sqrt(72) in the form a sqrt(b), where b is as small as possible.
4
Inequalities on Graphs3 marks
Does the point (4, -9) satisfy y > -x - 7?
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 9. Write y in terms of x.

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