Daily Practice · Higher

Daily Practice - Higher

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

16th June 2000

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

1
Conditional Probability3 marks
18 students study Spanish and 6 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture2 marks
A capture-recapture estimate is made of the ladybird population of a garden. State one assumption the method relies on.
3
Standard Form3 marks
Work out (48 x 10^10) / (6 x 10^5). Give your answer in standard form.
4
Quadratic Formula3 marks
Use the quadratic formula to solve 3x^2 - 5x - 6 = 0, to 2 decimal places.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 9, y = 108. Work out y when x = 12.

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