Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Conditional Probability3 marks
18 students study Spanish and 11 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 18 and a maximum of 50. Work out the range.
- 3Bounds2 marks
A mass is 60 kg, correct to the nearest 10. Write down the lower bound.
- 4Quadratic Formula3 marks
Use the quadratic formula to solve 3x^2 + 2x - 9 = 0, to 2 decimal places.
- 5Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 6, y = 48. Work out y when x = 12.
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