Daily Practice · Higher

Daily Practice - Higher

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

22nd July 2009

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

1
Spheres and Cones3 marks
A cone has base radius 9 cm and vertical height 15 cm. Work out its volume, leaving your answer in terms of pi.
2
Probability Trees3 marks
A bag holds 6 red and 4 blue counters. Two are taken without replacement. Work out the probability both are red.
3
Cumulative Frequency2 marks
Four classes in order have frequencies 9, 9, 3, 9. Write down the cumulative frequency at the end of the third class.
4
Fractional and Negative Indices3 marks
Work out 8^(2/3).
5
Inequalities on Graphs2 marks
A region is defined by y < 5x - 5. Should the boundary line be solid or dashed, and why?

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