Daily Practice · Higher

Daily Practice - Higher

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

11th September 2010

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

1
Box Plots2 marks
A box plot has minimum 8, lower quartile 18, median 28, upper quartile 33 and maximum 41. Work out the interquartile range.
2
Reverse Percentages3 marks
A bill is £888 including VAT at 20%. Work out the amount before VAT.
3
Inequalities on Graphs2 marks
A region is defined by y <= -4x - 3. 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 = 5, y = 175. Work out y when x = 3.
5
Spheres and Cones3 marks
A cone has base radius 2 cm and vertical height 3 cm. Work out its volume, leaving your answer in terms of pi.

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