It can be helpful to have a rule of thumb idea as to where the boundaries lie - particularly for giving your predicted grades. It can only be a rough rule as the boundaries do change each year and from paper to paper depending upon the difficulty of the examination. Grade Boundaries 7 75-100% 6 65-74% 5 55-64% 4 43-54% 3 32-42% 2 21-31% 1 0-20%Remember that these marks are those given after moderation etc. When you mark...