Daily Practice · Higher

Daily Practice - Higher

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

18th August 2005

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
The Sine Rule3 marks
In triangle ABC, angle A is 68°, angle B is 61° and side a is 6 cm. Use the sine rule to work out side b, to 1 decimal place.
2
Venn Diagrams3 marks
In a Venn diagram, 9 are in A only, 13 in B only, 2 in both and 5 in neither. Work out the probability a random one is in both.
3
Histograms2 marks
A histogram class is 5 units wide and contains 10 values. Work out the frequency density.
4
Bounds2 marks
A mass is 120 kg, correct to the nearest 10. Write down the lower bound.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 7x - 18.

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