This math topic practices calculating the percent growth of money, focusing on examples where the interest added to the principal is in multiples of 5%. It covers how to determine the total amount of money after the addition of interest, reinforcing concepts of percentages and simple interest. Each problem involves finding the total after a specific percentage of interest is added to a given principal, developing a foundational understanding of how interest affects financial growth.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Percent growth of money (principle and interest) (5% multiples)

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.


Calculate the final amount when it changes by a percentage

$20 principle grows by 65% interest

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