Daily Practice · Higher

Daily Practice - Higher

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

2nd September 2008

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

1
Conditional Probability3 marks
11 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
10 fish are marked and released. Later 84 are caught, of which 7 are marked. Estimate the population.
3
Bounds2 marks
A mass is 620 kg, correct to the nearest 10. Write down the upper bound.
4
Solving Quadratics3 marks
Solve x^2 + 5x + 4 = 0.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 6. Write y in terms of x.

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