8th Grade Math Worksheets: Free Printable PDFs by Topic

83 free printable 8th grade math worksheets, sorted by topic. Open a topic link below to download its PDF, then choose a short set that matches what your student is learning. Start with linear equations, slope, scientific notation or the Pythagorean theorem when those skills are part of the current lesson.

Preparing for a Smarter Balanced test? Try our Smarter Balanced grade 8 math worksheets.

Prefer worksheets that end with step-by-step answer keys? See our Grade 8 math practice PDFs with step-by-step answer keys.

This collection includes prerequisite review and more advanced algebra practice alongside Grade 8 topics. Fraction operations and whole-number work can help with gaps from earlier grades; polynomial factoring and function composition may be extension work. Use the topic and difficulty to choose an assignment rather than assuming every worksheet belongs in every Grade 8 curriculum.

For Common Core planning, the official Grade 8 overview emphasizes linear equations and systems, functions, geometry and the Pythagorean theorem, with work on exponents, irrational numbers, volume and data relationships. Other jurisdictions can sequence topics differently. Check your school’s course outline before treating this collection as a test syllabus.

Need an explanation before printing? Visit the Grade 8 Math learning center for public lessons and curriculum paths. Return here for focused paper practice. You can use these worksheets without buying a book.

For a first assignment, try a few problems from one topic. Ask the learner to explain a step, review mistakes, and repeat a similar problem later. The Finding Slope, Scientific Notation and Pythagorean Relationship PDFs include answer pages; check the downloaded file’s answer support before assigning another worksheet.

IMPORTANT: COPYRIGHT TERMS: These worksheets are for personal use. Worksheets may not be uploaded to the internet, including classroom/personal websites or network drives. You can download the worksheets and print as many as you need. You can distribute the printed copies to your students, teachers, tutors, and friends. 

You Do NOT have permission to send these worksheets to anyone in any way (via email, text messages, or other ways). They MUST download the worksheets themselves. You can send the address of this page to your students, tutors, friends, etc.

Related Topics

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Explore a Grade 8 Math Prep Book

8th Grade Mathematics Concepts

Whole Numbers

• Rounding
• Whole Number Addition and Subtraction
• Whole Number Multiplication and Division
• Rounding and Estimates

Fractions and Decimals

• Simplifying Fractions
• Adding and Subtracting Fractions
• Multiplying and Dividing Fractions
• Adding and Subtracting Mixed Numbers
• Multiplying and Dividing Mixed Numbers
• Adding and Subtracting Decimals
• Multiplying and Dividing Decimals
• Comparing Decimals
• Rounding Decimals
• Factoring Numbers
• Greatest Common Factor
• Least Common Multiple

Real Numbers and Integers

• Adding and Subtracting Integers
• Multiplying and Dividing Integers
• Order of Operations
• Ordering Integers and Numbers
• Integers and Absolute Value

Proportions, Ratios, and Percent

• Simplifying Ratios
• Proportional Ratios
• Similarity and Ratios
• Ratio and Rates Word Problems
• Percentage Calculations
• Percent Problems
• Discount, Tax and Tip
• Percent of Change
• Simple Interest

Algebraic Expressions

• Simplifying Variable Expressions
• Simplifying Polynomial Expressions
• Translate Phrases into an Algebraic Statement
• The Distributive Property
• Evaluating One Variable Expressions
• Evaluating Two Variables Expressions
• Combining like Terms

Equations and Inequalities

• One-Step Equations
• Multi-Step Equations
• Graphing Single, Variable Inequalities
• One-Step Inequalities
• Multi-Step Inequalities
• Systems of Equations
• Systems of Equations Word Problems
• Quadratic Equation

Explore a Grade 8 Math Study Guide

Linear Functions

• Finding Slope
• Graphing Lines Using Line Equation
• Writing Linear Equations
• Graphing Linear Inequalities
• Finding Midpoint
• Finding Distance of Two Points

Exponents and Radicals

• Multiplication Property of Exponents
• Zero and Negative Exponents
• Division Property of Exponents
• Powers of Products and Quotients
• Negative Exponents and Negative Bases
• Scientific Notation
• Square Roots

Polynomials

• Writing Polynomials in Standard Form
• Simplifying Polynomials
• Adding and Subtracting Polynomials
• Multiplying Monomials
• Multiplying and Dividing Monomials
• Multiplying a Polynomial and a Monomial
• Multiplying Binomials
• Factoring Trinomials
• Operations with Polynomials

Geometry and Solid Figures

• Angles
• Pythagorean Relationship
• Triangles
• Polygons
• Trapezoids
• Circles
• Cubes
• Rectangular Prism
• Cylinder
• Pyramids and Cone

Statistics and Probability

• Mean and Median
• Mode and Range
• Histograms
• Stem, and, Leaf Plot
• Pie Graph
• Probability Problems
• Combinations and Permutations

Explore a Grade 8 Math Practice Book

8th Grade Math Exercises

Fractions and Decimals

Real Numbers and Integers

Proportions and Ratios

Percent

Algebraic Expressions

Equations and Inequalities

Linear Functions

Polynomials

Systems of Equations

Exponents and Radicals

Statistics

Geometry

Solid Figures

Function Operations

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Free math worksheets for other grades: Grade 1 · Grade 2 · Grade 3 · Grade 4 · Grade 5 · Grade 6 · Grade 7 · Grade 9 · Grade 10

How to Use These 8th Grade Math Worksheets

Each topic below links to a one-click PDF. Print it or open it on a tablet, work the problems, then check the answers page at the end of the file.

1. Find the weak spots first. Start with one worksheet from each big area, such as linear functions, exponents and geometry. Note which ones feel hard.
2. Practice a little each day. One short worksheet, or half of one, is better than a long session once a week.
3. Check right away. Use the answers page as soon as you finish. Redo any problem you missed before looking at how to solve it.
4. Come back later. Revisit hard topics a week later to see if the skill stuck.

Topics that give 8th graders the most trouble are often slope and linear equations, negative exponents, scientific notation, systems of equations and the Pythagorean theorem. If you are short on time, start there.

Frequently Asked Questions

Are there free 8th grade math worksheets with answers in PDF?

Yes. Every 8th grade worksheet here is a free printable PDF, and the last page of each sheet lists the answers. Your student can finish a set on slope or scientific notation, then check every problem right away. If an answer is wrong, have them rework that problem before looking at the next one, so the mistake turns into practice.

What algebra is covered in grade 8 math worksheets?

Grade 8 algebra centers on linear equations, slope, linear functions and systems of two equations. Students solve multi-step equations such as 4x + 5 = 2x − 9, which gives x = −7, and graph lines in the form y = mx + b. The collection also includes exponent rules, inequalities and some polynomial work for students ready to stretch further.

Can I use these grade 8 math worksheets for Ontario or Canada?

Many grade 8 skills, like solving linear equations, the Pythagorean theorem, exponents and data analysis, are taught in Canadian provinces as well, so the worksheets work well for extra practice. Each province sets its own curriculum and order of topics, though. Check your school or the Ontario curriculum outline, then pick the worksheets that match what your class is studying.

Are there printable fraction worksheets for 8th grade math?

Yes. The collection includes fraction and decimal worksheets that help 8th graders fill gaps from earlier grades. These are useful before algebra, since equations often contain fractions. For example, solving x/4 + 1/2 = 3 means subtracting 1/2 to get x/4 = 5/2, then multiplying by 4 to get x = 10. Quick fraction review makes those steps much easier.

Are there 8th grade math review worksheets?

Yes. You can build an 8th grade review by choosing one worksheet from each major topic: linear equations, functions, exponents, the Pythagorean theorem, volume and statistics. Short mixed sessions of 15 to 20 minutes work well at the end of a unit or before a final exam. Keep a list of missed problems and revisit those topics a week later.