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How Much Interest Will It Earn? is a free printable Grade 3 to Grade 5 social studies worksheet on figuring out simple interest on savings, 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.

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

How Much Interest Will It Earn?

D2.Eco.10.3-5

NameDate

Choose the best answer. For math problems, choose the work that gives the right answer.

1.When you borrow money, who pays the interest?
  • A.Nobody pays interest on loans
  • B.The lender pays it to the borrower
  • C.The borrower pays it to the lender
2.Carlos saves $200 in an account that pays $3 a year for every $100. How much interest does he earn in one year?
  • A.$200 + $3 = $203
  • B.$200 ÷ $100 = 2; 2 × $3 = $6
  • C.$3 × 100 = $300
3.What is an interest rate?
  • A.The share of the money paid as interest each year
  • B.The number of banks in a town
  • C.The cost of a piggy bank
4.An account pays $5 a year for every $100 saved. The interest is paid out each year. How much interest does $400 earn in 2 years?
  • A.$400 + $5 = $405
  • B.4 × $5 = $20
  • C.$400 ÷ $100 = 4; 4 × $5 = $20; 2 × $20 = $40
5.A bank pays 5% interest a year, which is $5 for every $100. How much interest does $100 earn in a year?
  • A.$100 + $5 = $105
  • B.$100 ÷ 5 = $20
  • C.$100 ÷ $100 = 1; 1 × $5 = $5
6.Why does money left in a savings account longer earn more interest?
  • A.Banks forget to charge fees
  • B.Old money is worth less
  • C.Interest is paid for each year the money stays
7.An account pays $1 a year for every $20 saved. How much interest does $80 earn in a year?
  • A.$80 ÷ $20 = 4; 4 × $1 = $4
  • B.$80 − $20 = $60
  • C.$80 + $1 = $81
8.Why does a bank pay interest on savings?
  • A.The law says banks must give money away
  • B.Interest is a prize for walking in
  • C.It lends the money to borrowers and charges them interest

LessonPrint · D2.Eco.10.3-5 · Set 25 · free to copy for classroom use

Answer key — How Much Interest Will It Earn?

Set 25. Prints on its own sheet.

  1. 1.The borrower pays it to the lender
  2. 2.$200 ÷ $100 = 2; 2 × $3 = $6
  3. 3.The share of the money paid as interest each year
  4. 4.$400 ÷ $100 = 4; 4 × $5 = $20; 2 × $20 = $40
  5. 5.$100 ÷ $100 = 1; 1 × $5 = $5
  6. 6.Interest is paid for each year the money stays
  7. 7.$80 ÷ $20 = 4; 4 × $1 = $4
  8. 8.It lends the money to borrowers and charges them interest

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