Daily Practice · Higher

Daily Practice - Higher

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

10th January 1998

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

1
Conditional Probability3 marks
19 students study Spanish and 11 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 1, lower quartile 10, median 12, upper quartile 17 and maximum 27. Work out the interquartile range.
3
Fractional and Negative Indices2 marks
Write 8^-3 as a fraction.
4
Solving Quadratics3 marks
Solve x^2 - 12x + 32 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 18. Work out y when x = 8.

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