Daily Practice · Higher

Daily Practice - Higher

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

18th October 2014

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 136°. Work out angle ABC, where B is on the major arc.
2
Venn Diagrams3 marks
In a Venn diagram, 7 are in A only, 15 in B only, 7 in both and 4 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 8, lower quartile 15, median 25, upper quartile 35 and maximum 41. Work out the interquartile range.
4
Fractional and Negative Indices3 marks
Work out 125^(2/3).
5
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 9.

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