Daily Practice · Higher

Daily Practice - Higher

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

4th July 2023

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

1
Probability Trees3 marks
7 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Capture Recapture3 marks
25 beetles are marked and released. Later 18 are caught, of which 6 are marked. Estimate the population.
3
Fractional and Negative Indices2 marks
Write 2^-3 as a fraction.
4
Factorising Harder Quadratics3 marks
Factorise 10x^2 - 27x + 5.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 9. Write y in terms of x.

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