Daily Practice · Higher

Daily Practice - Higher

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

11th June 2011

5 questions · 13 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 = 27. Work out y when x = 2.
2
Sector Areas and Arc Lengths3 marks
A sector of a circle has radius 7 cm and angle 90°. Work out its area, to 1 decimal place.
3
Conditional Probability3 marks
27 students study Spanish and 7 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 4, lower quartile 10, median 14, upper quartile 20 and maximum 26. Work out the interquartile range.
5
Bounds2 marks
A mass is 180 kg, correct to the nearest 10. Write down the lower bound.

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