Daily Practice · Higher

Daily Practice - Higher

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

6th December 2016

5 questions · 15 marks · Grades 6-7 · 61 question types in this band

1
The Sine Rule3 marks
In triangle ABC, angle A is 39°, angle B is 60° and side a is 18 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, 8 in B only, 8 in both and 4 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
25 newts are marked and released. Later 36 are caught, of which 6 are marked. Estimate the population.
4
Standard Form3 marks
Work out (32 x 10^9) / (8 x 10^2). Give your answer in standard form.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 2x - 15.

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