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Question: There are 10 boys and 20 girls in a class. The class has a test. The mean mark for all the class is 60. The mean mark for the girls is 54. Work out the mean mark for the boys.Answer: total mar...

To achieve top marks when tackling an 'explain' question, it is important to not only have 3 reasons for why something happened, but also to prioritise and link these reasons. For example, it is not enou...

x= 9/2y= -3/2

claw technique: multiply each 'thing' in the first bracket with each 'thing' in the second bracket.2m² + 2m - 3m -3then collect the like terms2m² -1 -3

'As the team's head-brass flashed out' by Edward Thomas is a poem written when England was embroiled in the most deadly form of human activity: war. The grave ramifications of the First World War pervades...