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What are the main differences between IGCSE and O Level Mathematics?
The main differences between O Level and IGCSE Mathematics are as follows:
 IGCSE Maths is available with or without Coursework (until the November 2014 examination series), whereas O Level Maths is only available without Coursework.
 IGCSE has Core and Extended options (grades CG and A* to E available respectively), O level has grades A to E available.
 O level Maths has a noncalculator paper whereas IGCSE Maths requires a calculator for both papers.
 Examining time: 4.5 hours for O level Maths compared with 3 hours for Core IGCSE Maths and 4 hours for Extended IGCSE Maths.
 There is no question choice for IGCSE Maths; for O level Maths there is limited question choice in Paper 2.
 O level Maths question paper weighting is 50% per paper; IGCSE Maths is 35% for the first paper, 65% for the second.
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