Daily Practice · Higher

Daily Practice - Higher

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

24th February 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 78°, angle B is 35° and side a is 13 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 6 are in A only, 18 in B only, 7 in both and 5 in neither. Work out the probability a random one is in both.
3
Histograms2 marks
A histogram class is 4 units wide and contains 10 values. Work out the frequency density.
4
Standard Form3 marks
Work out (8 x 10^8) / (4 x 10^4). Give your answer in standard form.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 3x - 28.

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