Daily Practice · Higher

Daily Practice - Higher

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

10th October 2009

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Box Plots2 marks
A box plot has minimum 10, lower quartile 12, median 19, upper quartile 26 and maximum 29. Work out the interquartile range.
2
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.1919... as a fraction in its simplest form.
3
Inequalities on Graphs2 marks
A region is defined by y <= -4x - 9. Should the boundary line be solid or dashed, and why?
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 54. Work out y when x = 6.
5
Spheres and Cones3 marks
A cone has base radius 10 cm and vertical height 6 cm. Work out its volume, leaving your answer in terms of pi.

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