Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
5th December 2020
- 1Box Plots2 marks
A box plot has minimum 13, lower quartile 23, median 25, upper quartile 29 and maximum 39. Work out the interquartile range.
- 2Bounds2 marks
A mass is 5 kg, correct to the nearest whole number. Write down the lower bound.
- 3Expanding and Factorising Quadratics2 marks
Factorise x^2 - 64.
- 4Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 150. Work out y when x = 2.
- 5Circle Theorems2 marks
A, B and C are points on a circle with centre O. Angle AOC is 132°. Work out angle ABC, where B is on the major arc.
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