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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.Why does a bank pay interest on savings?
  • A.It lends the money to borrowers and charges them interest
  • B.The law says banks must give money away
  • C.Interest is a prize for walking in
2.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.$300 + $2 = $302
  • C.$2 × 100 = $200
3.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.4 × $5 = $20
  • B.$400 + $5 = $405
  • C.$400 ÷ $100 = 4; 4 × $5 = $20; 2 × $20 = $40
4.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
5.Why does money left in a savings account longer earn more interest?
  • A.Banks forget to charge fees
  • B.Interest is paid for each year the money stays
  • C.Old money is worth less
6.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
7.What is an interest rate?
  • A.The share of the money paid as interest each year
  • B.The cost of a piggy bank
  • C.The number of banks in a town
8.An account pays $1 a year for every $20 saved. How much interest does $80 earn in a year?
  • A.$80 + $1 = $81
  • B.$80 ÷ $20 = 4; 4 × $1 = $4
  • C.$80 − $20 = $60

LessonPrint · D2.Eco.10.3-5 · Set 10 · free to copy for classroom use

Answer key — How Much Interest Will It Earn?

Set 10. Prints on its own sheet.

  1. 1.It lends the money to borrowers and charges them interest
  2. 2.$300 ÷ $100 = 3; 3 × $2 = $6
  3. 3.$400 ÷ $100 = 4; 4 × $5 = $20; 2 × $20 = $40
  4. 4.The borrower pays it to the lender
  5. 5.Interest is paid for each year the money stays
  6. 6.$200 ÷ $100 = 2; 2 × $3 = $6
  7. 7.The share of the money paid as interest each year
  8. 8.$80 ÷ $20 = 4; 4 × $1 = $4

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