Daily Practice · Higher

Daily Practice - Higher

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

11th September 2011

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

1
Conditional Probability3 marks
30 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 a minimum of 4 and a maximum of 48. Work out the range.
3
Fractional and Negative Indices3 marks
Work out 16^(3/2).
4
Solving Quadratics3 marks
Solve x^2 - 8x + 15 = 0.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 3, y = 36. Work out y when x = 6.

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