# Sample HL Internal Assessments

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Sample Mathematics Higher Level portfolio

## 24 files

1. #### Mathematics HL IA [19/20]

This IA investigation is about modelling the trajectory of a football in air. The moderated score of this IA is 19/20, which is a 7. When writing a math HL IA its always important to pick a subject/topic that interest you because that would help you to stay motivated when writing it.
I would like to thank Vioh so much for helping me get started with my exploration.

12. #### Type 2 Logistic Model--Exemplar

Creating a logistic model

13. #### Portfolio Type I - Investigating divisibility

I've already received my IB results, so I suppose it's fine to share my assignments now.

14. #### Portfolio Type II - Viral illness

Viral illness portfolio. I think it got a 19/20 or 20/20, can't remember right now.

15. #### portfolio guide

maths hl portfolio guide..

16. #### Logarithm bases portfolio

My first Math IA on Logarithm bases- task 1

17. #### Math HL IA Type 2 - Modelling a functional building

Received 19/20 prior to moderation. Not sure what happened afterwards, but a 7 for math overall.

18. #### Math HL IA Type 1 - Patterns within a system of linear equations

Received 19/20 prior to moderation. Not sure what happened to it afterwards, but a 7 for math overall.

19. #### Math HL Parabola Portfolio

Practice Math HL Portfolio
Parabola Investigation

20. #### Math IA

Math IA- How many pieces?

21. #### Maths HL IA Type 1: Parabola investigation

Mathematics HL Type 1 IA: Parabola Investigation

22. #### Math HL internal assessments May 2014

Explorationibs: the exploration I did for IB, got 17/20 (unmoderated) with full marks on use of mathematics and mathematical presentation
Projectibs: a project done for another class, but did it according to the IB rubrics, should include all necessary components although personal engagement and reflection is most probably lacking a bit, and this one is actually about IB!

23. #### HL Math IA (Resonance & Differential Equations)

This is my HL math IA which models the resonance phenomenon of an old-fashioned airplane wing using differential equations (2nd order linear inhomogeneous). To be honest, i'm quite satisfied with it. However, there were a few stuff that I felt like i didnt do my best; such as the technology criteria. I did this IA in exactly 2-week time (at the risk of being kicked out of class for not being done), so i couldn't have time to expand a little bit on my use of technology in the IA........ Anyhow, I got 17/20 (moderated mark), which is basically equivalent to a 7. So i'm glad about it.
PS. For future candidates: I strongly recommend you to choose calculus as your IA topic. It's incredibly fun and rewarding

24. #### The RSA cryptosystem

My SL IA over the RSA cryptosystem.
Topics covered:
Modular arithmatic
Euler's totient function
Key generation, encryption and decryption via RSA
Modular multiplicative inverses
Coprime numbers