Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
15th December 2025
- 1Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 136 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 2Surds2 marks
Write sqrt(50) in the form a sqrt(b), where b is as small as possible.
- 3Expanding and Factorising Quadratics3 marks
Factorise x^2 - 4x + 3.
- 4Repeated Percentage Change3 marks
A price rises by 20% and then falls by 20%. Work out the overall percentage change, to 2 decimal places.
- 5The Sine Rule3 marks
In triangle ABC, angle A is 36°, angle B is 60° and side a is 17 cm. Use the sine rule to work out side b, to 1 decimal place.
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