Understanding Interest and Account Growth

The video tutorial covers the eighth-grade concept of growing money over time, focusing on simple interest. It uses a problem from the 2021 STAR test to illustrate how regular deposits and interest contribute to account balance growth over three years. The tutorial explains the calculation of simple interest and analyzes the impact of deposits and interest on the account balance, concluding with the correct answer to the problem.

What is the main topic discussed in the video?

• Growing plants over time

• Growing knowledge over time

• Growing money over time

• Growing animals over time

Which standard is being referred to in the lesson?

• 8.12 C

• 8.12 A

• 8.12 B

• 8.12 D

What type of interest is discussed in the video?

• Variable interest

• Complex interest

• Compound interest

• Simple interest

How is simple interest calculated?

• Principal / Rate / Time

• Principal x Rate x Time

• Principal - Rate - Time

• Principal + Rate + Time

What is the annual interest rate mentioned?

• 5.4%

• 6.4%

• 7.4%

• 8.4%

How much is deposited into the account each year?

• $700

• $600

• $500

• $400

What is the balance at the end of the first year?

• $500

• $532

• $700

• $600

What is the balance at the end of the second year?

• $1100

• $1200

• $1032

• $1000

What is the balance at the end of the third year?

• $1598.05

• $1700

• $1500

• $1600

What is the total interest earned by the end of the third year?

• $100

• $198.05

• $200

• $300