BETA
Chapter 1
The art of budgeting worldwide
Chapter 2
The mystery of interest and growth
Chapter 3
Navigating debt and the credit system
Chapter 4
Digital money and global banking
Chapter 5
Smart spending and conscious consumerism
YOUR GOAL
Master of Money skills for young adults
Ch 2 · The mystery of interest and growth
nic Compound Interest
Little by little, watch it climb and bloom, (Oh-oh!) Your money making money, filling up the room! (Yeah!) Interest on interest, a steady, growing beat, (So sweet!) Future you will thank you for this treat!
nic Inflation is the gradual decline of purchasing power, meaning your money buys less over time.
nic The Rule of 72 is a quick mental math formula to estimate when an investment will double.
Fun Fact
Einstein's compound quote: Albert Einstein reportedly called compound interest the 'eighth wonder of the world,' adding that those who understand it earn it, and those who don't pay it.
Glossary
compound interest (noun)
Interest calculated on both the initial principal and the accumulated interest from previous periods. In 1790, Benjamin Franklin bequeathed £1,000 to Boston, demonstrating how small sums grow exponentially over centuries.
Interest calculated on both the initial principal and the accumulated interest from previous periods. In 1790, Benjamin Franklin bequeathed £1,000 to Boston, demonstrating how small sums grow exponentially over centuries.
Quiz
What is a typical interest rate for a traditional bank savings account compared to a high-yield account?
Quiz
Using the Rule of 72, how many years will it take to double an investment earning 8% interest?
Quiz
Who is famously, though perhaps apocryphally, credited with calling compound interest the 'eighth wonder of the world'?
Quiz
Which mathematician first published a detailed analysis of compound interest in the year 1202?
Quiz
What is the main advantage of starting to save for retirement at age 15 instead of age 35?
Quiz
If an investment doubles in 12 years, what was its approximate annual interest rate according to the Rule of 72?