Daily Practice · Higher

Daily Practice - Higher

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

10th June 2023

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

1
Probability Trees3 marks
2 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 12, lower quartile 22, median 30, upper quartile 35 and maximum 42. Work out the interquartile range.
3
Fractional and Negative Indices3 marks
Work out 216^(2/3).
4
Equation of a Line3 marks
A line has gradient -4 and passes through (3, -14). Work out its equation.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 252. Work out y when x = 4.

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