Daily Practice · Higher

Daily Practice - Higher

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

7th November 2000

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

1
Conditional Probability3 marks
23 students study Spanish and 3 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture3 marks
25 beetles are marked and released. Later 15 are caught, of which 5 are marked. Estimate the population.
3
Fractional and Negative Indices3 marks
Work out 25^(3/2).
4
Quadratic Formula3 marks
Use the quadratic formula to solve x^2 + 8x - 5 = 0, to 2 decimal places.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 3 : 4. Write y in terms of x.

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