Daily Practice · Higher

Daily Practice - Higher

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

10th May 2008

5 questions · 11 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 154°. Work out angle ABC, where B is on the major arc.
2
Venn Diagrams3 marks
In a Venn diagram, 6 are in A only, 4 in B only, 12 in both and 6 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 8, lower quartile 11, median 19, upper quartile 22 and maximum 30. Work out the interquartile range.
4
Fractional and Negative Indices2 marks
Write 3^-3 as a fraction.
5
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 25.

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