Daily Practice · Higher

Daily Practice - Higher

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

21st February 2004

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

1
Box Plots2 marks
A box plot has minimum 11, lower quartile 16, median 25, upper quartile 33 and maximum 37. Work out the interquartile range.
2
Fractional and Negative Indices2 marks
Write 7^-2 as a fraction.
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 6x - 27.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 36. Work out y when x = 8.
5
The Sine Rule3 marks
In triangle ABC, angle A is 67°, angle B is 31° and side a is 17 cm. Use the sine rule to work out side b, to 1 decimal place.

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