Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Expanding and Factorising Quadratics3 marks
Factorise x^2 - 11x + 30.
- 2Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 8, y = 24. Work out y when x = 4.
- 3The Sine Rule3 marks
In triangle ABC, angle A is 38°, angle B is 51° and side a is 17 cm. Use the sine rule to work out side b, to 1 decimal place.
- 4Venn Diagrams3 marks
In a Venn diagram, 17 are in A only, 7 in B only, 10 in both and 1 in neither. Work out the probability a random one is in both.
- 5Capture Recapture2 marks
A capture-recapture estimate is made of the newt population of a stream. State one assumption the method relies on.
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Every sheet is deterministic: the same date always regenerates the same five questions. All of May 2010, including the monthly compilation PDF.