Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
21st August 2006
- 1Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 148 values. What cumulative frequency do you read across from to estimate the lower quartile?
- 2The Product Rule for Counting2 marks
A meal deal has 3 mains, 4 sides and 3 drinks. How many different meals are possible?
- 3Expanding and Factorising Quadratics3 marks
Factorise x^2 - 11x + 28.
- 4Repeated Percentage Change3 marks
A price rises by 25% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.
- 5The Sine Rule3 marks
In triangle ABC, angle A is 42°, angle B is 54° and side a is 6 cm. Use the sine rule to work out side b, to 1 decimal place.
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