Daily Practice · Higher

Daily Practice - Higher

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

25th November 2006

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Box Plots2 marks
A box plot has minimum 13, lower quartile 20, median 29, upper quartile 36 and maximum 38. Work out the interquartile range.
2
Reverse Percentages3 marks
A bill is £120 including VAT at 20%. Work out the amount before VAT.
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 - 4x - 5.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 175. Work out y when x = 9.
5
The Sine Rule3 marks
In triangle ABC, angle A is 30°, angle B is 71° and side a is 8 cm. Use the sine rule to work out side b, to 1 decimal place.

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