Home / Social Studies / Printables / Grade 3 to Grade 5 / How Much Interest Will It Earn? 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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How Much Interest Will It Earn? D2.Eco.10.3-5
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Choose the best answer. For math problems, choose the work that gives the right answer.
1. 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 = $5 B. $4 − $1 = $3 more C. $100 + $4 = $104 2. 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 ÷ $100 = 4; 4 × $5 = $20; 2 × $20 = $40 B. $400 + $5 = $405 C. 4 × $5 = $20 3. 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 4. 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 = $500 B. $100 − $5 = $95 C. $100 + $5 = $105 5. 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 6. 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 7. $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 8. 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 = $20 B. $100 + $5 = $105 C. $100 ÷ $100 = 1; 1 × $5 = $5 LessonPrint · D2.Eco.10.3-5 · Set 18 · free to copy for classroom use
Answer key — How Much Interest Will It Earn? Set 18. Prints on its own sheet.
1. $4 − $1 = $3 more 2. $400 ÷ $100 = 4; 4 × $5 = $20; 2 × $20 = $40 3. $300 ÷ $100 = 3; 3 × $2 = $6 4. $100 + $5 = $105 5. $200 ÷ $100 = 2; 2 × $3 = $6 6. The borrower pays it to the lender 7. 3 × $1 = $3 more 8. $100 ÷ $100 = 1; 1 × $5 = $5 Last reviewed 2026-09-05. Aligned to D2.Eco.10.3-5 of the C3 Framework for Social Studies State Standards.