Daily Practice · Higher

Daily Practice - Higher

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

16th February 2010

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 7. Write y in terms of x.
2
Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 9 cm and angle 120°. Work out its area, to 1 decimal place.
3
Conditional Probability3 marks
15 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
4
Capture Recapture3 marks
55 fish are marked and released. Later 35 are caught, of which 7 are marked. Estimate the population.
5
Fractional and Negative Indices3 marks
Work out 100^(3/2).

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