Grade 8 Percents Worksheets
Free printable percents practice for Grade 8 students. Generate problems, solve them on screen or paper, and download as PDF.
Practice Worksheet
Grade 8 Percents Practice
Solve each problem. Show your work.
- 1.Increase 105 by 40%: _____
- 2.Increase 55 by 30%: _____
- 3.Increase 130 by 15%: _____
- 4.Increase 65 by 75%: _____
- 5.Decrease 125 by 15%: _____
- 6.Decrease 190 by 30%: _____
Show answer key
- Question 1: 147
- Question 2: 71.5
- Question 3: 149.5
- Question 4: 113.75
- Question 5: 106.25
- Question 6: 133
Free Practice Worksheets
Print, solve on paper, then upload a photo for instant AI grading and feedback.
Build confidence with approachable problems
Solve each problem. Take your time.
- 1.Convert the fraction 7/8 to a decimal and then to a percent.
- 2.Calculate 15% of 240.
- 3.Find the new value after a 20% increase on 85.
- 4.Find the new value after a 10% decrease on 150.
- 5.Calculate the total cost of a 40 item with a 5% sales tax added.
- 6.Convert 0.375 into a fraction in simplest form and then into a percent.
Full range of grade expectations
Solve each problem. Show your work.
- 1.Convert the fraction 7/8 into a decimal and then into a percent.
- 2.Calculate 35 percent of 120. Then, determine what percent 18 is of 45.
- 3.A pair of shoes originally costs 80. If the store offers a 25 percent discount and there is a 8 percent sales tax applied to the discounted price, what is the final cost of the shoes?
- 4.A linear relationship is represented by the equation y = 0.15x, where x is the original price and y is the tax amount. Express the tax rate as a percent.
- 5.A cylinder has a volume of 500 cubic units. If the volume increases by 12 percent, what is the new volume of the cylinder?
- 6.A local charity had 250 donors last year. This year, they have 310 donors. What is the percent increase in the number of donors?
Practise specific Percents skills
Skill map
How percents skills connect
Shore up what feeds in, work through the core skills in order, then move on to what they unlock. A means the skill has an instant answer checker.
Build up first
Core skills — in order
What Your Child Will Learn
Grade 8 percent work emphasizes multi-step percent change problems and their application to financial literacy and algebra. Students calculate successive percent changes (a price that increases 10% then decreases 10%) and recognize that these do not cancel out — a common misconception this grade specifically addresses.
Students connect percent to linear relationships, expressing percent change as a rate, and solve problems involving compound interest at an introductory level. Percent also appears in data interpretation, such as analyzing percent change in graphs and statistics. By the end of Grade 8, students should confidently apply percent reasoning within complex, multi-step, real-world problems.
Skills Covered
- Solving successive percent change problems
- Distinguishing between simple and compound percent change
- Introductory compound interest calculations
- Expressing percent change as a rate within linear contexts
- Interpreting percent change in graphs and data
- Solving multi-step financial literacy problems involving percent
Curriculum Aligned: Aligned with Strand B (Number) and Strand C (Algebra): applying percent change to financial literacy and linear relationships.
Parent Tip: Challenge a common misconception directly: ask your child whether a 10% increase followed by a 10% decrease gets back to the original price. Working it out together reveals why it doesn't.
What your child will practice
- Fractions, Decimals, PercentsConvert fluently between fractions, decimals, and percents.
- Percent ApplicationsSolve problems involving percent increase, decrease, simple interest, and commissions.
Want Personalized Percents Practice?
Create a free family account for one personalized worksheet and one homework check, with saved work and progress for every learner. Premium unlocks unlimited AI practice and homework checks.
Create a Free AccountFinished the worksheet? Get it checked in seconds
Snap a photo of your child's completed Grade 8 percents work and Gradulo checks every answer with step-by-step feedback.
Check my workFrequently Asked Questions
How do percents relate to fractions and decimals?
Percent means 'per hundred.' So 25% = 25/100 = 0.25. Understanding this three-way connection between percents, fractions, and decimals is fundamental to mastering percentages.
What real-life situations use percents?
Percents are everywhere: sales tax, discounts, tips at restaurants, interest rates, sports statistics, and grades. Using these real-world examples makes learning percents meaningful and practical.
When do students learn percent calculations?
Percent concepts are introduced in Grade 5-6. By Grade 7-8, students should handle percent increase/decrease, and by Grade 9-10 they work with compound interest and financial literacy applications.