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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 12 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
  • B.$285
  • C.$300 + $15 = $315
2.Does a debit card purchase charge interest?
  • A.Yes, but only on weekends
  • B.Yes, always more than a credit card
  • C.No, because you are spending your own money, not borrowing
3.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.$520
  • C.$20
4.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
5.Mia owes $120 and pays $30 each month, with no new purchases and no interest. How much does she owe after 2 months?
  • A.2 × $30 = $60; $120 − $60 = $60
  • B.$90
  • C.$150
6.Jay owes $100 on a credit card. He is charged $2 interest each month he leaves it unpaid. How much interest does he pay in 3 months?
  • A.3 × $2 = $6
  • B.$2
  • C.$103
7.How can you avoid paying any credit card interest?
  • A.Pay only the smallest amount allowed
  • B.Never open the bill
  • C.Pay the whole balance by the due date each month
8.What is interest on a credit card?
  • A.A gift from the bank
  • B.A fee for borrowing, charged on the amount you still owe
  • C.Money the store pays you

LessonPrint · D2.Eco.10.3-5 · Set 12 · free to copy for classroom use

Answer key — What Credit Card Interest Costs

Set 12. Prints on its own sheet.

  1. 1.$300 + $15 = $315
  2. 2.No, because you are spending your own money, not borrowing
  3. 3.$500 ÷ $100 = 5; 5 × $20 = $100
  4. 4.$60 + $4 = $64
  5. 5.2 × $30 = $60; $120 − $60 = $60
  6. 6.3 × $2 = $6
  7. 7.Pay the whole balance by the due date each month
  8. 8.A fee for borrowing, charged on the amount you still owe

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