Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Box Plots2 marks
A box plot has minimum 5, lower quartile 10, median 20, upper quartile 22 and maximum 30. Work out the interquartile range.
- 2The Product Rule for Counting2 marks
A meal deal has 9 mains, 4 sides and 4 drinks. How many different meals are possible?
- 3Expanding and Factorising Quadratics3 marks
Factorise x^2 + 12x + 36.
- 4Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 225. Work out y when x = 7.
- 5The Sine Rule3 marks
In triangle ABC, angle A is 46°, angle B is 33° and side a is 15 cm. Use the sine rule to work out side b, to 1 decimal place.
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