Daily Practice · Higher

Daily Practice - Higher

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

2nd August 2014

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

1
Conditional Probability3 marks
16 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 14, lower quartile 19, median 26, upper quartile 33 and maximum 35. Work out the interquartile range.
3
Fractional and Negative Indices3 marks
Work out 81^(3/2).
4
Solving Quadratics3 marks
Solve x^2 + 10x + 9 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 8. Work out y when x = 3.

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