Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
18th June 2026
- 1Probability 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.
- 2Histograms2 marks
A histogram class is 5 units wide and contains 20 values. Work out the frequency density.
- 3The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 2 digits (0 to 9), and repeats are allowed. How many codes are possible?
- 4Equation of a Line3 marks
A line has gradient 1 and passes through (2, 6). Work out its equation.
- 5Repeated Percentage Change3 marks
A town's population is 39000 and grows by 5% each year. Work out the population after 4 years, to the nearest whole number.
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