Skip to content
LessonPrint

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.

Set 20 of 25 · the same problems every time you open this link.

Next set

One paper per student

12345678910111213141516171819202122232425

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 money left in a savings account longer earn more interest?
  • A.Interest is paid for each year the money stays
  • B.Banks forget to charge fees
  • C.Old money is worth less
2.When you borrow money, who pays the interest?
  • A.Nobody pays interest on loans
  • B.The borrower pays it to the lender
  • C.The lender pays it to the borrower
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 ÷ $100 = 4; 4 × $5 = $20; 2 × $20 = $40
  • C.$400 + $5 = $405
4.What is an interest rate?
  • A.The cost of a piggy bank
  • B.The share of the money paid as interest each year
  • C.The number of banks in a town
5.Lena's $100 earns $5 interest in a year. She leaves it all in the account. How much does she have after one year?
  • A.$100 + $5 = $105
  • B.$100 − $5 = $95
  • C.$100 × 5 = $500
6.$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.3 × $1 = $3 more
  • B.$50 + $1 = $51
  • C.$50 × 3 = $150
7.A CD pays $4 a year for every $100. A savings account pays $1 for every $100. How much more does $100 earn in the CD in one year?
  • A.$4 − $1 = $3 more
  • B.$4 + $1 = $5
  • C.$100 + $4 = $104
8.An account pays $1 a year for every $20 saved. How much interest does $80 earn in a year?
  • A.$80 − $20 = $60
  • B.$80 + $1 = $81
  • C.$80 ÷ $20 = 4; 4 × $1 = $4

LessonPrint · D2.Eco.10.3-5 · Set 20 · free to copy for classroom use

Answer key — How Much Interest Will It Earn?

Set 20. Prints on its own sheet.

  1. 1.Interest is paid for each year the money stays
  2. 2.The borrower pays it to the lender
  3. 3.$400 ÷ $100 = 4; 4 × $5 = $20; 2 × $20 = $40
  4. 4.The share of the money paid as interest each year
  5. 5.$100 + $5 = $105
  6. 6.3 × $1 = $3 more
  7. 7.$4 − $1 = $3 more
  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.