Daily Practice · Higher

Daily Practice - Higher

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

5th June 2009

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
12 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 fish population of a pond. State one assumption the method relies on.
3
Standard Form2 marks
Work out (3 x 10^4) x (8 x 10^3). Give your answer in standard form.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 7x - 6, work out y when x = 3.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 8, y = 40. Work out y when x = 9.

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