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Simple Interest - Worksheet 2 - 7th Grade

Easy

Calculate simple interest and final balances without compounding.

easy: Use whole-number rates and small factors.

12 problems · 15-20 minutes · Skills: proportional relationships, percents, formulas

About This Worksheet

This easy-level worksheet contains 12 problems designed for 7th Grade students practicing simple interest. Easy worksheets use simpler numbers and straightforward problem types to build confidence and reinforce foundational skills.

Multiply, divide and simplify fractions. Read quantities with their units.

  • Calculate simple interest and final balances without compounding.
  • Check your result using the method in the example before moving to the next question.

How to Solve: Worked Example

Example Problem: A principal of $1300 earns 7% simple interest per year for 1 years. Find the interest earned.
Solution Steps:
  1. Simple interest I = principal × annual rate × years.
  2. I = 1300 × 7/100 × 1 = 91.
  3. This is interest only, not the total balance.
Answer: 91 dollars
Tip: Check your result using the method in the example before moving to the next question.
1
A principal of $800 earns 5% simple interest per year for 1 years. Find the interest earned.
2
A principal of $2300 earns 7% simple interest per year for 1 years. Find the final balance.
3
A principal of $700 earns 5% simple interest per year for 2 years. Find the interest earned.
4
A principal of $2200 earns 7% simple interest per year for 1 years. Find the final balance.
5
A principal of $1800 earns 8% simple interest per year for 2 years. Find the interest earned.
6
A principal of $1400 earns 1% simple interest per year for 2 years. Find the final balance.
7
A principal of $3000 earns 4% simple interest per year for 3 years. Find the interest earned.
8
A principal of $2100 earns 7% simple interest per year for 2 years. Find the final balance.
9
A principal of $900 earns 2% simple interest per year for 1 years. Find the interest earned.
10
A principal of $600 earns 1% simple interest per year for 2 years. Find the final balance.
11
A principal of $1700 earns 3% simple interest per year for 1 years. Find the interest earned.
12
A principal of $1900 earns 8% simple interest per year for 2 years. Find the final balance.

Answer Key

1. 40 dollars2. 2461 dollars3. 70 dollars4. 2354 dollars5. 288 dollars6. 1428 dollars7. 360 dollars8. 2394 dollars9. 18 dollars10. 612 dollars11. 51 dollars12. 2204 dollars

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Frequently Asked Questions

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What skills does this proportional relationships worksheet cover?

This worksheet focuses on proportional relationships, percents, formulas. It is designed for 7th Grade students and provides structured practice through varied problem types with a worked example to guide students before they begin.

Can I use this worksheet in my classroom?

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How many problems are on this worksheet?

This worksheet contains 12 problems. It typically takes 15-20 minutes to complete. An answer key with all solutions is included so parents and teachers can check work quickly.