Simple & Compound Interest Quick Check

The simple interest formula is I=Prt.  The P represents the principle.  The principle is ___________________. 

• the amount of money borrowed or deposited
• the amount taxed
• the percent interest for this year
• the amount the bank owes you for being a customer at their bank

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CCSS.7.RP.A.2

CCSS.7.RP.A.3

What is the formula for simple interest?

• A=P(1+r)^t
• I=Prt
• I=P(1+r)t
• A=Prt

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CCSS.7.RP.A.2

CCSS.7.RP.A.3

Ann puts $300 in a bank account earning 4% interest.  How much will she earn in interest in 1 year?

• 4
• 8
• 12
• 16

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CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.4

CCSS.HSA.SSE.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Smithville Bank is offering each of it's customers a record 3.4% interest on new savings account. If Mr. Thomas opens an account with $1,500, how much interest will he earn in 3 years?

• $15,300
• $1,530
• $153
• The answer is not shown

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CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

5)  Megan is currently in 8^th grade and wants to begin saving money for college.  She wants to invest $2000 in a simple interest account that pays at a rate of 3.5%.  How many years will she have to save for the account to gain $490 in simple interest? 

• 5 years
• 6 years
• 7 years
• 8 years

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CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

Your 3 year investment of $20,000 received 5.2% interest compounded annually.  What is your total return?

• $23,285.05
• $3,285.05
• $2,385
• $32,285

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CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

You deposit $2,500 in a savings account.

What is the difference in the amount of interest that will be paid in each situation?

Option A) Interest rate of 8.25% simple interest for 2 years

Option B) Interest rate of 6.5% compounded annually for 2 years

• $769.40

• $335.56

• $76.94

• $68.52

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CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Karla invested $1,000 in savings bonds. If the bonds earn 6.75% interest compounded semi-annually, how much total will Karla earn in 15 years?

• $1,584.62
• $2,651.39
• $2,706.86
• $1,825.10

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CCSS.HSA.CED.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Emily would like to buy some new furniture for her home. She decides to buy the furniture on credit with 9.5% interest compounded quarterly. If she spent $7,400, how much total will she have paid after 8 years.

• $15,415.94
• $15,683.28
• $15,927.56
• $16,109.05

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CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

CCSS.HSF.LE.B.5

Courtney saved up $2,200 working as a waitress over the summer. She put this money into a bank account that earned 5.2% interest and is compounded daily. How much will she have in her account at the end of 4 years?

• $2201.25
• $2694.55
• $2707.45
• $2708.63

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CCSS.HSA.CED.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2