Daily Practice · Higher

Daily Practice - Higher

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

3rd June 2014

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

1
Conditional Probability3 marks
16 students study Spanish and 12 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
30 beetles are marked and released. Later 77 are caught, of which 7 are marked. Estimate the population.
3
Surds2 marks
Write sqrt(12) in the form a sqrt(b), where b is as small as possible.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + x + 7, work out y when x = 3.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 3. Write y in terms of x.

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