Daily Practice · Higher

Daily Practice - Higher

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

12th February 2011

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 162°. Work out angle ABC, where B is on the major arc.
2
Venn Diagrams3 marks
In a Venn diagram, 3 are in A only, 5 in B only, 12 in both and 10 in neither. Work out the probability a random one is in both.
3
Box Plots2 marks
A box plot has minimum 9, lower quartile 13, median 20, upper quartile 30 and maximum 35. Work out the interquartile range.
4
Reverse Percentages3 marks
A bill is £288 including VAT at 20%. Work out the amount before VAT.
5
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 16.

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