Daily Practice · Higher

Daily Practice - Higher

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

24th September 2011

5 questions · 11 marks · Grades 6-7 · 61 question types in this band

1
Box Plots2 marks
A box plot has minimum 15, lower quartile 18, median 28, upper quartile 35 and maximum 44. Work out the interquartile range.
2
Fractional and Negative Indices2 marks
Write 8^-2 as a fraction.
3
Expanding and Factorising Quadratics2 marks
Factorise x^2 - 144.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 63. Work out y when x = 5.
5
Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 64°. Work out angle ABC, where B is on the major arc.

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