Daily Practice · Higher

Daily Practice - Higher

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

17th July 1999

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

1
Box Plots2 marks
A box plot has minimum 11, lower quartile 20, median 29, upper quartile 38 and maximum 41. Work out the interquartile range.
2
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.777... as a fraction in its simplest form.
3
Expanding and Factorising Quadratics3 marks
Factorise x^2 + 9x + 14.
4
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 8. Work out y when x = 7.
5
The Sine Rule3 marks
In triangle ABC, angle A is 63°, angle B is 83° and side a is 6 cm. Use the sine rule to work out side b, to 1 decimal place.

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