Daily Practice · Higher

Daily Practice - Higher

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

2nd January 2021

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

1
The Sine Rule3 marks
In triangle ABC, angle A is 55°, angle B is 48° 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, 7 are in A only, 7 in B only, 8 in both and 9 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 5, lower quartile 12, median 17, upper quartile 25 and maximum 29. Work out the interquartile range.
4
Fractional and Negative Indices2 marks
Write 9^-1 as a fraction.
5
Expanding and Factorising Quadratics3 marks
Factorise x^2 - x - 42.

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