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OCR Jan 12 M2 question

Discussion in 'Mathematics' started by adamcreen, Feb 14, 2012.

  1. adamcreen

    adamcreen Occasional commenter

    From the Guardian:

    The January A2 mechanics paper, also set by OCR, contained a question that required students to calculate the distance a car has to travel before reaching a certain speed. But some students claim the way the question was worded was confusing. One posted on the Studentroom website: "All in all, the question didn't make much sense..." Another said: "I thought the exam boards would have gotten their act together this time round; if there is actually another mistake it really doesn't reflect well on OCR."

    Does anyone have details of this not-impossible-but-very-hard question?
  2. There's a discussion of the question on Ask NRICH.
  3. GoldMaths

    GoldMaths New commenter

    Thank you for the link was really interesting.
  4. Maths_Mike

    Maths_Mike New commenter

    So despite assurances it seems we still get mistakes in exams.
    And this one sums up everything that is wrong with questions that are contrived to test skills but are impossible in practice - see also the error in the statistics exam.
    Again it seems most students will simply have plugged numbers into the energy formulae and gotr the answer the examiner was expecting.
    The most able that understood that this answer could not possibly be correct foir the given problem could end up losing out!
    Sorry but unforgiveable imho.

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