Daily Practice · Higher

Daily Practice - Higher

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

15th July 2006

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
17 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 minimum 3, lower quartile 10, median 18, upper quartile 26 and maximum 31. Work out the interquartile range.
3
Standard Form2 marks
Work out (6 x 10^3) x (4 x 10^2). Give your answer in standard form.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 5x - 3, work out y when x = -2.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 20. Work out y when x = 4.

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