Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
28th September 2026
- 1Conditional Probability3 marks
18 students study Spanish and 7 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 216 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 3Bounds2 marks
A mass is 13.5 kg, correct to 1 decimal place. Write down the upper bound.
- 4Quadratic Formula3 marks
Use the quadratic formula to solve 3x^2 - 5x - 10 = 0, to 2 decimal places.
- 5Repeated Percentage Change3 marks
A price rises by 10% and then falls by 15%. Work out the overall percentage change, to 2 decimal places.
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