Daily Practice · Higher

Daily Practice - Higher

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

24th August 2019

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

1
Conditional Probability3 marks
25 students study Spanish and 6 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 6, lower quartile 10, median 16, upper quartile 21 and maximum 28. Work out the interquartile range.
3
Fractional and Negative Indices3 marks
Work out 27^(2/3).
4
Quadratic Formula3 marks
Use the quadratic formula to solve 3x^2 - 12x - 12 = 0, to 2 decimal places.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 18. Work out y when x = 2.

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