Daily Practice · Higher

Daily Practice - Higher

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

31st May 2011

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 44°, angle B is 50° and side a is 17 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 16 are in A only, 3 in B only, 2 in both and 10 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
25 beetles are marked and released. Later 63 are caught, of which 9 are marked. Estimate the population.
4
Bounds2 marks
A mass is 58 kg, correct to the nearest whole number. Write down the lower bound.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 6x + 5.

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