Daily Practice · Higher

Daily Practice - Higher

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

28th August 2007

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

1
Capture Recapture3 marks
60 voles are marked and released. Later 90 are caught, of which 9 are marked. Estimate the population.
2
Standard Form3 marks
Work out (24 x 10^10) / (4 x 10^3). Give your answer in standard form.
3
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 9.
4
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 5 : 9. Write y in terms of x.
5
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 128°. Work out angle ABC, where B is on the major arc.

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