Daily Practice · Higher

Daily Practice - Higher

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

13th August 2005

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

1
Conditional Probability3 marks
20 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 13, lower quartile 16, median 24, upper quartile 34 and maximum 37. Work out the interquartile range.
3
Fractional and Negative Indices2 marks
Write 4^-3 as a fraction.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 + 6x - 4, work out y when x = 4.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 8. Work out y when x = 9.

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