Daily Practice · Higher

Daily Practice - Higher

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

18th February 2003

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 61°, angle B is 85° and side a is 7 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 17 are in A only, 18 in B only, 6 in both and 5 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
45 voles are marked and released. Later 32 are caught, of which 8 are marked. Estimate the population.
4
Standard Form2 marks
Work out (2 x 10^5) x (9 x 10^-4). Give your answer in standard form.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 8x + 12.

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