Daily Practice · Higher

Daily Practice - Higher

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

4th November 2006

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

1
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 36. Work out y when x = 7.
2
Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 12 cm and angle 60°. Work out its area, to 1 decimal place.
3
Conditional Probability3 marks
23 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
4
Box Plots2 marks
A box plot has minimum 14, lower quartile 19, median 23, upper quartile 25 and maximum 33. Work out the interquartile range.
5
Standard Form3 marks
Work out (21 x 10^10) / (3 x 10^5). Give your answer in standard form.

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