Daily Practice · Higher

Daily Practice - Higher

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

6th August 2011

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

1
Conditional Probability3 marks
15 students study Spanish and 7 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 5, lower quartile 15, median 19, upper quartile 21 and maximum 27. Work out the interquartile range.
3
Standard Form2 marks
Work out (6 x 10^4) x (8 x 10^6). Give your answer in standard form.
4
Inequalities on Graphs3 marks
Does the point (-1, -4) satisfy y > -x - 8?
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 50. Work out y when x = 8.

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