Daily Practice · Higher

Daily Practice - Higher

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

29th October 2019

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

1
Probability Trees3 marks
3 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Capture Recapture3 marks
10 voles are marked and released. Later 90 are caught, of which 9 are marked. Estimate the population.
3
Fractional and Negative Indices3 marks
Work out 100^(3/2).
4
Factorising Harder Quadratics3 marks
Factorise 8x^2 - 2x - 15.
5
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 7. Write y in terms of x.

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