Daily Practice · Higher

Daily Practice - Higher

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

24th January 2009

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

1
Conditional Probability3 marks
26 students study Spanish and 10 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Box Plots2 marks
A box plot has minimum 11, lower quartile 21, median 23, upper quartile 33 and maximum 42. Work out the interquartile range.
3
Standard Form2 marks
Work out (9 x 10^8) x (6 x 10^-4). Give your answer in standard form.
4
Solving Quadratics3 marks
Solve x^2 - 5x + 4 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 144. Work out y when x = 4.

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