Daily Practice · Higher
Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Capture Recapture3 marks
55 newts are marked and released. Later 108 are caught, of which 9 are marked. Estimate the population.
- 2Surds2 marks
Write sqrt(27) in the form a sqrt(b), where b is as small as possible.
- 3Expanding and Factorising Quadratics2 marks
Factorise x^2 - 9.
- 4Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 9. Write y in terms of x.
- 5Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 108°. Work out angle ABC, where B is on the major arc.
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Every sheet is deterministic: the same date always regenerates the same five questions. All of June 2010, including the monthly compilation PDF.