Daily Practice · Higher

Daily Practice - Higher

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

23rd August 2003

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

1
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.
2
Probability Trees3 marks
A bag holds 5 red and 7 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Box Plots2 marks
A box plot has minimum 9, lower quartile 17, median 23, upper quartile 27 and maximum 32. Work out the interquartile range.
4
Bounds2 marks
A mass is 9 kg, correct to the nearest whole number. Write down the upper bound.
5
Inequalities on Graphs2 marks
A region is defined by y < -4x + 9. Should the boundary line be solid or dashed, and why?

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