Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
21st November 2018
- 1Conditional Probability3 marks
11 students study Spanish and 6 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, 8, 7, 4. Write down the cumulative frequency at the end of the third class.
- 3Standard Form3 marks
Work out (27 x 10^11) / (3 x 10^3). Give your answer in standard form.
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 6x + 10, work out y when x = 2.
- 5Speed and Density2 marks
A block has volume 140 cm^3 and density 2.5 g/cm^3. Work out its mass.
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