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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.Carlos saves $200 in an account that pays $3 a year for every $100. How much interest does he earn in one year?
  • A.$3 × 100 = $300
  • B.$200 + $3 = $203
  • C.$200 ÷ $100 = 2; 2 × $3 = $6
2.When you borrow money, who pays the interest?
  • A.The borrower pays it to the lender
  • B.The lender pays it to the borrower
  • C.Nobody pays interest on loans
3.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 ÷ $100 = 1; 1 × $5 = $5
  • C.$100 ÷ 5 = $20
4.Why does money left in a savings account longer earn more interest?
  • A.Interest is paid for each year the money stays
  • B.Old money is worth less
  • C.Banks forget to charge fees
5.$50 in a piggy bank earns $0. $50 in a savings account earns $1 a year. After 3 years, how much more is in the account?
  • A.$50 × 3 = $150
  • B.3 × $1 = $3 more
  • C.$50 + $1 = $51
6.A savings account pays $2 a year for every $100 saved. How much interest does $300 earn in one year?
  • A.$300 ÷ $100 = 3; 3 × $2 = $6
  • B.$2 × 100 = $200
  • C.$300 + $2 = $302
7.Why does a bank pay interest on savings?
  • A.It lends the money to borrowers and charges them interest
  • B.Interest is a prize for walking in
  • C.The law says banks must give money away
8.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.$400 ÷ $100 = 4; 4 × $5 = $20; 2 × $20 = $40
  • C.4 × $5 = $20

LessonPrint · D2.Eco.10.3-5 · Set 2 · free to copy for classroom use

Answer key — How Much Interest Will It Earn?

Set 2. Prints on its own sheet.

  1. 1.$200 ÷ $100 = 2; 2 × $3 = $6
  2. 2.The borrower pays it to the lender
  3. 3.$100 ÷ $100 = 1; 1 × $5 = $5
  4. 4.Interest is paid for each year the money stays
  5. 5.3 × $1 = $3 more
  6. 6.$300 ÷ $100 = 3; 3 × $2 = $6
  7. 7.It lends the money to borrowers and charges them interest
  8. 8.$400 ÷ $100 = 4; 4 × $5 = $20; 2 × $20 = $40

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