Daily Practice · Higher

Daily Practice - Higher

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

15th May 2004

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

1
Box Plots2 marks
A box plot has minimum 8, lower quartile 18, median 26, upper quartile 29 and maximum 38. Work out the interquartile range.
2
Reverse Percentages3 marks
A bill is £744 including VAT at 20%. Work out the amount before VAT.
3
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 81.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 150. Work out y when x = 6.
5
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 50°. Work out angle ABC, where B is on the major arc.

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