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 1 of 25 · the same problems every time you open this link.
Choose the best answer. For math problems, choose the work that gives the right answer.
1.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
2.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
3.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
4.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
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.3 × $1 = $3 more
B.$50 + $1 = $51
C.$50 × 3 = $150
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.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
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.4 × $5 = $20
B.$400 + $5 = $405
C.$400 ÷ $100 = 4; 4 × $5 = $20; 2 × $20 = $40
LessonPrint · D2.Eco.10.3-5 · Set 1 · free to copy for classroom use
Answer key — How Much Interest Will It Earn?
Set 1. Prints on its own sheet.
1.The share of the money paid as interest each year
2.$100 + $5 = $105
3.$200 ÷ $100 = 2; 2 × $3 = $6
4.It lends the money to borrowers and charges them interest
5.3 × $1 = $3 more
6.The borrower pays it to the lender
7.$4 − $1 = $3 more
8.$400 ÷ $100 = 4; 4 × $5 = $20; 2 × $20 = $40
Questions about How Much Interest Will It Earn?
What does the How Much Interest Will It Earn? worksheet cover?
It practices figuring out simple interest on savings — 8 questions for Grade 3 to Grade 5, all on C3 Framework D2.Eco.10.3-5: Explain what an interest rate is. The instruction to students is “Choose the best answer. For math problems, choose the work that gives the right answer”, and the answer key follows on the next sheet.
Which C3 Framework indicator does How Much Interest Will It Earn? practice?
D2.Eco.10.3-5, under Economics for Grade 3 to Grade 5. The published indicator reads: “Explain what interest rates are.” The worksheet assesses that indicator rather than a paraphrase of it.
What age or grade is this worksheet for?
How Much Interest Will It Earn? is written for Grade 3 to Grade 5, typically ages 40-41. It is one of the sheets on D2.Eco.10.3-5, so it suits any student working at that standard — including older students revisiting it and younger ones working ahead.
Does How Much Interest Will It Earn? come with an answer key?
Yes. All 8 answers are generated from the same problems as the questions, so the key cannot drift out of step with the sheet. It starts on a fresh sheet of paper, after the questions, so it is not handed out with the class by accident.
How many different versions of How Much Interest Will It Earn? can I print?
25 — one per student, and all 25 ask different questions. Set 1 downloads the whole class as a single PDF. Every version is fixed to its own address, so a sheet printed today holds the same problems when you reopen it next week.
Is How Much Interest Will It Earn? free to print and photocopy?
Yes. How Much Interest Will It Earn?, its answer key and its 25 versions are free to print and photocopy for your own class, with no account, no email capture and no subscription at the download step. Please do not resell them or republish them as your own.