Solving Compound Interest Word Problems

What is the primary use of the compound interest formula in real life?

• Calculating grades in school

• Determining weather patterns

• Planning vacation budgets

• Calculating interest in banking

Why is it important to maintain capitalization in the compound interest formula?

• To enhance readability only

• To confuse the calculator

• To make the formula look important

• To differentiate between variables

Tags

CCSS.8.EE.C.7B

What does the 'n' in the compound interest formula represent?

• Total amount of money

• Number of times interest is compounded per year

• Initial amount of money

• Interest rate as a decimal

How do you convert an interest rate from a percentage to a decimal?

• Subtract 100

• Multiply by 100

• Divide by 100

• Add 100

What does the 't' represent in the compound interest formula?

• Total interest accrued

• Time in years

• Transaction number

• Tax percentage

If interest is compounded quarterly, what is the value of 'n'?

• 2

• 12

• 4

• 1

What is the principal amount in Kelly's example?

• $1,476.43

• $1,500

• $1,250

• $1,000

Tags

CCSS.HSF.BF.A.2

After 4 years, how much did Kelly's investment grow due to interest?

• $256.43

• $246.43

• $236.43

• $226.43

How much money did Melvin have after 10 years?

• $25,537.16

• $28,537.16

• $27,537.16

• $26,537.16

What is the effect of a higher 'n' value on the compound interest accrued?

• Decreases the interest

• No effect on the interest

• Changes the principal amount

• Increases the interest