Daily Practice · Higher

Daily Practice - Higher

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

20th March 2010

5 questions · 13 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 minimum 10, lower quartile 12, median 20, upper quartile 29 and maximum 35. Work out the interquartile range.
3
Standard Form3 marks
Work out (16 x 10^10) / (8 x 10^3). Give your answer in standard form.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 6x - 10, work out y when x = 2.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 48. Work out y when x = 5.

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