Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

19th May 2001

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Box Plots2 marks
A box plot has minimum 2, lower quartile 7, median 17, upper quartile 19 and maximum 25. Work out the interquartile range.
2
Surds2 marks
Write sqrt(18) in the form a sqrt(b), where b is as small as possible.
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 6x - 16.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 54. Work out y when x = 9.
5
The Sine Rule3 marks
In triangle ABC, angle A is 75°, angle B is 48° and side a is 7 cm. Use the sine rule to work out side b, to 1 decimal place.

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