
Exploring the Rule of 72 in Compound Interest

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard
+9
Standards-aligned

Amelia Wright
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary benefit of giving more time to a compounding investment?
Increases the total return
Decreases the total return
Has no effect on the investment
Increases the risk of loss
Tags
CCSS.HSF-LE.A.1C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the character refer to himself as, highlighting his street smarts?
A savvy investor
A financial advisor
A streetwise con man
A conned hurdle
Tags
CCSS.RL.2.6
CCSS.RL.8.3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Rule of 72 primarily used for?
Calculating exact interest rates
Estimating how long it takes for an investment to double
Determining the best stocks to invest in
Calculating the exact number of years to retirement
Tags
CCSS.HSF-IF.C.7E
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What complex methods are mentioned as necessary to calculate compound interest before introducing the Rule of 72?
Guesswork and estimation
Using exponents and logarithms
Simple addition and subtraction
Multiplication tables
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the Rule of 72, how many years will it take for an investment to double at a 3% interest rate?
48 years
12 years
36 years
24 years
Tags
CCSS.HSF.LE.A.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the interest rate is 6%, how many years will it take to double the investment according to the Rule of 72?
24 years
18 years
6 years
12 years
Tags
CCSS.HSF.LE.A.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What would be the doubling time for an investment with a 1.5% interest rate using the Rule of 72?
48 years
72 years
24 years
36 years
Tags
CCSS.HSF.LE.A.4
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