Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
25th November 2015
- 1Conditional Probability3 marks
15 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, 7, 12, 11. Write down the cumulative frequency at the end of the third class.
- 3Bounds2 marks
A mass is 26 kg, correct to the nearest whole number. Write down the upper bound.
- 4Solving Quadratics3 marks
Solve x^2 - 2x - 63 = 0.
- 5Speed and Density2 marks
A block has volume 105 cm^3 and density 4 g/cm^3. Work out its mass.
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