Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
3rd February 2024
- 1Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 100. Work out y when x = 3.
- 2Perpendicular Lines and the equation of a tangent2 marks
A line has gradient 4. Work out the gradient of a line perpendicular to it.
- 3Conditional Probability3 marks
23 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 4Box Plots2 marks
A box plot has minimum 10, lower quartile 12, median 15, upper quartile 23 and maximum 26. Work out the interquartile range.
- 5Bounds2 marks
A mass is 8.2 kg, correct to 1 decimal place. Write down the lower bound.
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