Daily Practice · Higher

Daily Practice - Higher

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

14th January 2010

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

1
Histograms2 marks
A histogram class is 20 units wide and contains 30 values. Work out the frequency density.
2
Fractional and Negative Indices3 marks
Work out 64^(2/3).
3
Inequalities on Graphs2 marks
A region is defined by y < -4x + 8. Should the boundary line be solid or dashed, and why?
4
Repeated Percentage Change3 marks
A town's population is 21500 and grows by 5% each year. Work out the population after 5 years, to the nearest whole number.
5
Spheres and Cones3 marks
A cone has base radius 8 cm and vertical height 18 cm. Work out its volume, leaving your answer in terms of pi.

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