Grade 8 · Simple Interest
Grade 8 Simple Interest Worksheets
Free printable Grade 8 simple interest worksheets, each with an answer key and sized to fit one page. Pick beginner, intermediate, or advanced and generate a fresh pack in seconds. No AI, no wrong answers.
Create free worksheets →Free to start · answer keys included · your first pack unlocks 14 days of Standard · no card required.
Grade 8 examples by level
Find the simple interest for each investment.
- Beginner$300 at 10% for 1 year =$30
- Intermediate$500 at 2% for 2 years =$20
- Advanced$1300 at 2% for 4 years =$104
Real problems from the generator: always mathematically correct, and every pack is different.
Why Grade 8 simple interest practice matters
Understanding how interest works is one of the most directly useful math skills a student will carry into adulthood, from savings accounts to loans. Simple interest is the foundational formula that compound interest and investment growth build on later.
Grade 8 is where Mathter's simple interest worksheets first appear. Grade 9 picks up from here with more advanced problems.
Want the full method, tips, and common mistakes? Read the Simple Interest Worksheets guide.
Frequently asked questions
- What's on a Grade 8 simple interest worksheet?
- Each pack has up to 12 questions per page with a matching answer key, tuned to Grade 8, with beginner, intermediate, and advanced options so you can match the child's level.
- What grade is simple interest taught in?
- Simple interest is introduced in Grade 8 as part of the financial literacy strand, building on the percentage skills learned in Grades 6-7, then continues through Grades 9-11.
- What's the difference between simple and compound interest?
- Simple interest is always calculated on the original principal. Compound interest is calculated on the growing balance (principal plus previously earned interest), so it grows faster over time.
Make a Grade 8 simple interest pack
Pick your options and print in seconds, with answer keys included.
Create free worksheetsFree to start · answer keys included · your first pack unlocks 14 days of Standard · no card required.