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What Credit Card Interest Costs is a free printable Grade 3 to Grade 5 social studies worksheet on what interest costs on a credit card balance, aligned to C3 Framework indicator D2.Eco.10.3-5. It prints 8 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 15 of 25 · the same problems every time you open this link.

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

What Credit Card Interest Costs

D2.Eco.10.3-5

NameDate

Circle the answer that shows the right work.

1.A bike costs $300. Paying with a card adds $15 in interest. How much does the bike cost in the end?
  • A.$300 + $15 = $315
  • B.$300
  • C.$285
2.Ana owes $200 and pays $50 each month. There is no interest. How many months until it is paid off?
  • A.250 months
  • B.$200 ÷ $50 = 4 months
  • C.10 months
3.Shoes cost $60 in cash. On a card the shoes cost $4 more in interest. How much do they cost on the card?
  • A.$56
  • B.$60 + $4 = $64
  • C.$60
4.A card charges $20 of interest a year for every $100 owed. How much interest is charged in a year on a $500 balance?
  • A.$500 ÷ $100 = 5; 5 × $20 = $100
  • B.$20
  • C.$520
5.A card charges $3 interest every month for 12 months. How much interest is that in all?
  • A.$9
  • B.12 × $3 = $36
  • C.$15
6.Why does paying only the minimum each month cost more in the end?
  • A.The bank lowers the balance for you
  • B.The minimum payment is free
  • C.The rest of the balance keeps being charged interest
7.What is interest on a credit card?
  • A.A gift from the bank
  • B.Money the store pays you
  • C.A fee for borrowing, charged on the amount you still owe
8.Mia owes $120 and pays $30 each month, with no new purchases and no interest. How much does she owe after 2 months?
  • A.$150
  • B.2 × $30 = $60; $120 − $60 = $60
  • C.$90

LessonPrint · D2.Eco.10.3-5 · Set 15 · free to copy for classroom use

Answer key — What Credit Card Interest Costs

Set 15. Prints on its own sheet.

  1. 1.$300 + $15 = $315
  2. 2.$200 ÷ $50 = 4 months
  3. 3.$60 + $4 = $64
  4. 4.$500 ÷ $100 = 5; 5 × $20 = $100
  5. 5.12 × $3 = $36
  6. 6.The rest of the balance keeps being charged interest
  7. 7.A fee for borrowing, charged on the amount you still owe
  8. 8.2 × $30 = $60; $120 − $60 = $60

Last reviewed 2026-09-05. Aligned to D2.Eco.10.3-5 of the C3 Framework for Social Studies State Standards.