Common Errors

IB Maths Studies: Common Errors

Common errors are both surprising and then not! There are bound to be things that are that much more difficult or that much more likely to be left out, but at the same time, if we know about them then we should be able to help students to avoid them. What follows is a list of common errors that has been put together from experience and from experience of other teachers and, significantly, from examiners reports. I have...


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Comments 1

Jim Noble 6 November 2016 - 14:07

OK - Dont know if this is the best advice, but it is what I do...... Where students have calculated an answer they should write down the full calculator display AND THEN show the rounded answer stating the degree of accuracy in brackets is (3sf) unless otherwise required. This seems to me to sound practice and should keep students safe.... The situation has arisen (as I understand it) because examiners are not now marking whole papers where the accuracy penalty was being applied only once per paper. The rules are now more forgiving to help avoid a situation where multiple marks are lost for the same accuracy errors... That help?


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