Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
6th August 2024
- 1Expanding and Factorising Quadratics3 marks
Factorise x^2 - 13x + 36.
- 2Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 4 : 5. Write y in terms of x.
- 3The Sine Rule3 marks
In triangle ABC, angle A is 64°, angle B is 42° and side a is 12 cm. Use the sine rule to work out side b, to 1 decimal place.
- 4Venn Diagrams3 marks
In a Venn diagram, 18 are in A only, 18 in B only, 3 in both and 5 in neither. Work out the probability a random one is in both.
- 5Capture Recapture3 marks
25 beetles are marked and released. Later 6 are caught, of which 2 are marked. Estimate the population.
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