Daily Practice · Higher

Daily Practice - Higher

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

31st December 2016

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
4 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Box Plots2 marks
A box plot has minimum 8, lower quartile 13, median 15, upper quartile 20 and maximum 22. Work out the interquartile range.
3
Fractional and Negative Indices2 marks
Write 2^-2 as a fraction.
4
Equation of a Line3 marks
A line has gradient -4 and passes through (6, -22). Work out its equation.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 18. Work out y when x = 6.

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