Daily Practice · Higher

Daily Practice - Higher

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

10th June 2009

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 67°, angle B is 68° and side a is 5 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, 14 in B only, 5 in both and 3 in neither. Work out the probability a random one is in both.
3
Cumulative Frequency2 marks
Four classes in order have frequencies 5, 8, 4, 7. Write down the cumulative frequency at the end of the third class.
4
Fractional and Negative Indices2 marks
Write 3^-1 as a fraction.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 13x + 42.

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