Daily Practice · Higher

Daily Practice - Higher

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

21st August 2014

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

1
Histograms2 marks
A histogram class is 20 units wide and contains 80 values. Work out the frequency density.
2
Standard Form2 marks
Work out (3 x 10^3) x (5 x 10^-2). Give your answer in standard form.
3
Inequalities on Graphs2 marks
A region is defined by y <= -2x + 8. Should the boundary line be solid or dashed, and why?
4
Repeated Percentage Change3 marks
A town's population is 6500 and grows by 8% each year. Work out the population after 5 years, to the nearest whole number.
5
Spheres and Cones3 marks
A cone has base radius 4 cm and vertical height 24 cm. Work out its volume, leaving your answer in terms of pi.

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