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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.

Set 16 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.

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 ÷ $100 = 2; 2 × $3 = $6
  • C.$200 + $3 = $203
2.What is an interest rate?
  • A.The number of banks in a town
  • B.The cost of a piggy bank
  • C.The share of the money paid as interest each year
3.$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.$50 + $1 = $51
  • C.3 × $1 = $3 more
4.Why does a bank pay interest on savings?
  • A.Interest is a prize for walking in
  • B.The law says banks must give money away
  • C.It lends the money to borrowers and charges them interest
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 ÷ $100 = 1; 1 × $5 = $5
  • B.$100 + $5 = $105
  • C.$100 ÷ 5 = $20
6.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 = $500
  • C.$100 − $5 = $95
7.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
8.A savings account pays $2 a year for every $100 saved. How much interest does $300 earn in one year?
  • A.$2 × 100 = $200
  • B.$300 ÷ $100 = 3; 3 × $2 = $6
  • C.$300 + $2 = $302

LessonPrint · D2.Eco.10.3-5 · Set 16 · free to copy for classroom use

Answer key — How Much Interest Will It Earn?

Set 16. Prints on its own sheet.

  1. 1.$200 ÷ $100 = 2; 2 × $3 = $6
  2. 2.The share of the money paid as interest each year
  3. 3.3 × $1 = $3 more
  4. 4.It lends the money to borrowers and charges them interest
  5. 5.$100 ÷ $100 = 1; 1 × $5 = $5
  6. 6.$100 + $5 = $105
  7. 7.Interest is paid for each year the money stays
  8. 8.$300 ÷ $100 = 3; 3 × $2 = $6

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