Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
4th December 2011
- 1Conditional Probability3 marks
25 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Box Plots2 marks
A box plot has a minimum of 13 and a maximum of 70. Work out the range.
- 3Bounds2 marks
A mass is 64 kg, correct to the nearest whole number. Write down the lower bound.
- 4Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 2x - 9, work out y when x = 0.
- 5Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 6, y = 20. Work out y when x = 5.
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