Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
14th March 2026
- 1Probability Trees3 marks
5 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 2Box Plots2 marks
A box plot has minimum 1, lower quartile 6, median 12, upper quartile 21 and maximum 25. Work out the interquartile range.
- 3Bounds2 marks
A mass is 9 kg, correct to the nearest whole number. Write down the lower bound.
- 4Equation of a Line3 marks
A line has gradient 1 and passes through (6, -2). Work out its equation.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 64. Work out y when x = 8.
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