Daily Practice · Higher

Daily Practice - Higher

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

26th July 1997

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

1
Conditional Probability3 marks
32 students study Spanish and 12 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 10, median 13, upper quartile 18 and maximum 27. Work out the interquartile range.
3
Standard Form3 marks
Work out (16 x 10^9) / (2 x 10^5). Give your answer in standard form.
4
Quadratic Formula3 marks
Use the quadratic formula to solve x^2 - 2x - 4 = 0, to 2 decimal places.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 144. Work out y when x = 9.

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