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Key Ideas
Key Ideas
Modelling real-life situations with the structure of arithmetic and geometric sequences and series allows for prediction, analysis and interpretation.
Different representations of numbers enable equivalent quantities to be compared and used in calculations with ease to an appropriate degree of accuracy.
I can use geometric sequences and series to solve problems related financial applications such as compound interest and annual depreciation.
Understanding Compound Interest
Understanding Compound Interest
https://www.youtube.com/watch?v=B3IdfBcXrLA
Understanding Simple Interest and Compound Interest - In this video I try to make clear the difference between simple interest and compound interest!
Compound Interest Example - Finding the Principal amount
Compound Interest Example - Finding the Principal amount
https://www.youtube.com/watch?v=XWwrvMZcSwo
Compound Interest Example - Find Starting Principal. Here we are told that an account accrues interest semiannually at a rate of 4.25%. If the account has a total of $6,000 after 90 months, what was the starting principal?
Compound Interest - More than once per yearÂ
Compound Interest - More than once per yearÂ
https://www.youtube.com/watch?v=3vN-6DA79N0
Compound Interest - More than Once Per Year. In this video, I briefly discuss the formula, and do a few simple examples.
https://www.youtube.com/watch?v=AsgZTPP71bk
Compound Interest - More than Once Per Year - Part 2. In this video, I do another example using the compound interest formula!
Deriving the anual compound interest formula
Deriving the anual compound interest formula
https://www.youtube.com/watch?v=AwzWp7mWrtg
Deriving the Annual Compound Interest Formula
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