Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
9th September 2009
- 1Conditional Probability3 marks
19 students study Spanish and 10 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Cumulative Frequency2 marks
Four classes in order have frequencies 8, 3, 11, 8. Write down the cumulative frequency at the end of the third class.
- 3Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.444... as a fraction in its simplest form.
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 6x + 8, work out y when x = 4.
- 5Speed and Density2 marks
A block has volume 125 cm^3 and density 11 g/cm^3. Work out its mass.
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