Daily Practice · Higher

Daily Practice - Higher

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

8th November 2009

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

1
Conditional Probability3 marks
20 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 11 and a maximum of 40. Work out the range.
3
Standard Form3 marks
Work out (30 x 10^10) / (5 x 10^3). Give your answer in standard form.
4
Solving Quadratics3 marks
Solve x^2 - 8x + 7 = 0.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 8, y = 8. Work out y when x = 2.

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