Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
12th January 2025
- 1Conditional Probability3 marks
12 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 11 and a maximum of 23. Work out the range.
- 3Standard Form3 marks
Work out (24 x 10^7) / (3 x 10^3). Give your answer in standard form.
- 4Quadratic Formula3 marks
Use the quadratic formula to solve 3x^2 - 12x + 8 = 0, to 2 decimal places.
- 5Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 8, y = 36. Work out y when x = 12.
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