Daily Practice · Higher

Daily Practice - Higher

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

9th March 2019

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

1
Conditional Probability3 marks
11 students study Spanish and 4 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 9, median 11, upper quartile 14 and maximum 22. Work out the interquartile range.
3
Standard Form2 marks
Work out (5 x 10^7) x (9 x 10^-6). Give your answer in standard form.
4
Solving Quadratics3 marks
Solve x^2 + 14x + 48 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 200. Work out y when x = 2.

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