

compound interest
Presentation
•
Financial Education
•
9th - 12th Grade
•
Practice Problem
•
Hard
Leah Groom
FREE Resource
7 Slides • 13 Questions
1
2
3
Multiple Choice
What is the main difference between simple and compound interest?
Simple interest earns interest on interest, compound interest does not.
Compound interest earns interest on both the principal and previously earned interest.
Simple interest grows faster than compound interest.
Compound interest is only used for loans, not savings.
4
5
Multiple Choice
If interest is compounded more frequently (for example, monthly instead of yearly), what happens to the account balance?
It grows more slowly
It stays the same
It grows faster
It decreases over time
6
7
Multiple Choice
What can you learn about saving vs. investing by using Nerdwallet’s compound interest calculator?
The difference in interest rates
The total amount saved
The time it takes to save
The benefits of investing
8
Fill in the Blanks
9
Fill in the Blanks
10
11
Multiple Choice
Marissa makes an initial deposit of $1,000. Her contributions are $100 a month for the next 40 years. She chooses not to invest and puts her money into a savings account which earns 2% interest annually. What is the balance of Marissa’s retirement account after 40 years?
$8,000
$12,000
$25, 438
$75,352.47
12
Multiple Choice
Explain the concept of compound interest and its impact on savings.
Compound interest is the interest calculated only on the initial principal and not on the accumulated interest of previous periods. It has no impact on savings.
Compound interest is the interest calculated on the initial principal but not on the accumulated interest of previous periods. It has a minimal impact on savings.
Compound interest is the interest calculated on the initial principal and also on the accumulated interest of previous periods. It has a significant impact on savings as it allows the account balance to grow at an increasing rate over time.
Compound interest is the interest calculated on the accumulated interest of previous periods only. It has a negative impact on savings.
13
Multiple Choice
Aria and Aiden are on a quest to find the best savings account to grow their treasure! Which account will make their money grow the most?
Account 1 - Interest rate 2%, Interest compounded daily
Account 2 - Interest rate 1%, Interest compounded daily
Account 3 - Interest rate 2%, Interest compounded semi-annually
Account 4 - Interest rate 1%, Interest compounded annually
14
Multiple Choice
Marissa makes an initial deposit of $1,000. Her contributions are $100 a month for the next 40 years. She chooses to invest in the US stock market through an index fund with a 6.5% return annually. What is the balance of Marissa’s retirement account after 40 years?
$4
209,004.23
22,938.13
229,381.83
15
Multiple Choice
Marissa decides she wants to retire early. She makes an initial deposit of $1,000. Her contributions are $500 a month for the next 15 years. She chooses to invest in the US stock market through an index fund with a 7% return annually. What is the balance of Marissa’s retirement account after 15 years?
$10,000
$50,000
$158,311.41
$150,000
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17
18
Multiple Choice
You deposit $500 at 4% interest compounded annually for 3 years. Which value is closest to your balance at the end?
$520
$560
$563
$600
19
Multiple Choice
A bank advertises 3% interest compounded monthly. What does “compounded monthly” mean?
Interest is calculated once per year
Interest is added to the account every month
You receive simple interest each month
The interest rate changes every month
20
Poll
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