Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
3rd March 2010
- 1Cumulative Frequency2 marks
Four classes in order have frequencies 3, 5, 9, 6. Write down the cumulative frequency at the end of the third class.
- 2The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 3 digits (0 to 9), and repeats are allowed. How many codes are possible?
- 3Inequalities on Graphs2 marks
A region is defined by y < x - 1. Should the boundary line be solid or dashed, and why?
- 4Speed and Density2 marks
A block has volume 65 cm^3 and density 7.5 g/cm^3. Work out its mass.
- 5Spheres and Cones3 marks
A cone has base radius 2 cm and vertical height 24 cm. Work out its volume, leaving your answer in terms of pi.
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