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# Group 4 (Science) Information Session - PowerPoint PPT Presentation

Group 4 (Science) Information Session. Internal Assessment & Predicted Grades. Standard Level vs. High Level Exam Weight. SL Paper 1 (20%) Paper 2 ( 32% ) Paper 3 ( 24% ) Total = 76% H L Paper 1 (20%) Paper 2 ( 36% ) Paper 3 ( 20% ) Total = 76%. Percentages converted to the IB scale.

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## PowerPoint Slideshow about 'Group 4 (Science) Information Session' - ronna

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### Group 4 (Science)Information Session

• SL

• Paper 1 (20%)

• Paper 2 (32%)

• Paper 3 (24%)

Total = 76%

• HL

• Paper 1 (20%)

• Paper 2 (36%)

• Paper 3 (20%)

Total = 76%

• Each exam (paper 1, 2 and 3) has individual IB boundaries which dictate a number from 1 to 7

• This is a good way to estimate how a student is performing on a consistent bases (BSP = Best Sustained Performance)

• Although, in the end it is the percentage from each paper by its respective weight that is used to determine the IB number from the overall 1 to 7 boundary, for example:

• Paper 1 mark (25/40 = 62.5%)

• 0.625 x 20 (weight of paper 1) = 12.5

• Therefore this paper 1 mark is contributing 12.5 out of a potential 20 to an overall percentage out of 100

Internal Assessment (IA) (24%)

• Teachers take your best two D, DCP, and CE moderated labs plus PS (Personal Skills from group 4 project) and MS (Manipulative Skills from overall practical work) marks to tabulate your overall Internal Assessment mark

• 6 labs worth 6 marks each plus 6 marks each for MS and PS totals 48 marks

• Each lab mark is worth 0.5% of your final percentage contributing to a total of 24%

• For every lab that is not handed in you will receive a mark of zero!

• Comparison between two students with different lab marks but the same exam marks

• They result in different overall IB grades

• Comparison between two students with the same paper 1 IB grade (3), same lab mark, but different overall IB grades

• This shows the gap between IB grades for an individual paper, for instance, the HL chemistry spread for a 3 is between 4564% which is a difference of 19%

• No Labs = Grade drops by at least 18% from overall percentage assuming the student achieves perfect marks for MS and PS