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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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group 4 science information session

Group 4 (Science)Information Session

Internal Assessment & Predicted Grades

standard level vs high level exam weight
Standard Level vs. High Level Exam Weight
  • SL
    • Paper 1 (20%)
    • Paper 2 (32%)
    • Paper 3 (24%)

Total = 76%

  • HL
    • Paper 1 (20%)
    • Paper 2 (36%)
    • Paper 3 (20%)

Total = 76%

percentages converted to the ib scale
Percentages converted to the IB scale
  • 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
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!
  • How does this affect your overall IB grade?
scenario 1
Scenario 1
  • Comparison between two students with different lab marks but the same exam marks
  • They result in different overall IB grades
scenario 2
Scenario 2
  • 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%
scenario 3
Scenario 3
  • No Labs = Grade drops by at least 18% from overall percentage assuming the student achieves perfect marks for MS and PS
all labs are due march 14 th
All Labs Are Due March 14th
  • We will predict your grade to the best of our ability but inevitably you determine your grade in the end
  • Learn from your mistakes on the mocks and do the best you can on the May exams!
  • Good luck!
  • Thank you!
    • The Science Department
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