grade 8 homework help

8th Grade Online Math Worksheets

According to the Common Core Standards, in Grade 8, instructional time should focus on three critical areas: (1) formulating and reasoning about expressions and equations, including modeling an association in bivariate data with a linear equation, and solving linear equations and systems of linear equations; (2) grasping the concept of a function and using functions to describe quantitative relationships; (3) analyzing two- and three-dimensional space and figures using distance, angle, similarity, and congruence, and understanding and applying the Pythagorean Theorem.

8th Grade Domains

If you know a particular Common Core Domain that you'd like to practice, you can drill down to it here.

• Know that there are numbers that are not rational, and approximate them by rational numbers.
• Work with radicals and integer exponents.
• Understand the connections between proportional relationships, lines, and linear equations.
• Analyze and solve linear equations and pairs of simultaneous linear equations.
• Define, evaluate, and compare functions.
• Use functions to model relationships between quantities.
• Understand congruence and similarity using physical models, transparencies, or geometry software.
• Understand and apply the Pythagorean Theorem.
• Solve real-world and mathematical problems involving volume of cylinders, cones and spheres.
• Investigate patterns of association in bivariate data.

All 8th Grade Online Math Worksheets

This is a listing of all our 8th Grade Online Math Worksheets. Newest worksheets are on top!

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Common Core Grade 8 Math (Worksheets, Homework, Lesson Plans)

Looking for examples, solutions, videos, and lessons that will help you in your Common Core Grade 8 math classwork or homework? Looking for Common Core Math Worksheets and Lesson Plans that will help you prepare lessons for Grade 8 students?

Related Pages Common Core Math Resources, Lesson Plans & Worksheets Common Core Math Lessons, Math Worksheets and Games for Grade 8 Common Core Math Lessons, Math Worksheets and Games for all grades

The following lesson plans and worksheets are from the New York State Education Department Common Core-aligned educational resources. Eureka/EngageNY Math 8th grade worksheets,

The Lesson Plans and Worksheets are divided into seven modules.

Grade 8 Worksheets, Homework, and Lesson Plans

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8th grade reading & vocabulary

Unit 1: funny business, unit 2: obscuring the truth, unit 3: crossing the line.

Free Worksheets for Eighth Grade

First, start with our printables page , where you'll find lots of worksheets organized by topic. Take a look at Eighth-Grade Math, Science, Language Arts and Social Studies (scroll down to find eighth grade).

Try our quiz: What Your Eighth-Grader Should Know

Be sure to visit our homeschool page , where you'll find great articles and other free resources on homeschooling.

Also, we have Subject Toolkits for Homeschoolers in reading, math, and history!

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Grade 8 ELA

Grade 8 math, grade 8 science, all worksheets by subject, english language arts, life skills, physical education, seasonal and holidays, social studies, study skills/strategies, vocational education.

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Common Core ELA

Common core math, math worksheet generators, printable game generators, printable eighth grade (grade 8) worksheets, tests, and activities.

Print our Eighth Grade (Grade 8) worksheets and activities, or administer them as online tests. Our worksheets use a variety of high-quality images and some are aligned to Common Core Standards.

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• Ballet Positions and Basics
• Comprehensive Dance Review
• History of Theater
• Ballet Terms
• Drawing: Grids, Lines, and Shading
• 16th and 32nd Quiz
• Drawing Chords - Activity
• Identifying Country Blues & City Blues
• Bass, Treble, and Viola Clef Labeling
• Music History
• Choosing a Topic for Research
• Language Arts Review (grade 8)
• Summer Review Quiz (grade 8)
• Finding and Using Sources
• Writing Review (grade 8)

Compare and Contrast

• Book vs. Audio Recording
• Compare and Contrast a Scene
• Compare and Contrast Mix
• Spring Break (Fiction)
• Book vs. Stage Version
• Compare and Contrast Art
• Compare and Contrast Point of View
• Looking at Mao Zedong

Figurative Language

• Allusions - grade 8
• Humor - grade 8
• Idioms About Books
• Is it an Epigram?
• Is it Situational Irony?
• Types of Jokes
• Understanding Irony
• Figurative Language - grade 8
• Identify the Quatrain Rhyme Scheme
• Interpreting Poetry
• Is it Dramatic Irony?
• Is it Verbal Irony?
• Understanding Idioms with Context Clues
• Understatement or Hyperbole?
• Capitalization and Punctuation
• Clauses Practice Quiz
• Compound-Complex Sentences
• Daily Grammar: Former Capital of the U.S.
• Grade 8 Grammar Review
• Identifying Gerunds
• Should I Put a Comma Here?
• Subordinating Conjunctions
• Troublesome Verbs Review
• Use an Ellipsis to Indicate a Pause or Break
• Capitalization
• Clauses Practice Quiz 2
• Correlative Conjunctions
• Future Tenses
• Identify the Tense
• Prepositional and Adjective Phrases and Clauses
• Subject Complement Review
• The Oxford Comma
• Types of Nouns
• Using Commas to Indicate Pauses or Breaks

Informational Stories and Texts

• Down the Old Street
• Muhammad Ali
• Sleeping on the Space Station
• The Queen of Hearts
• Washing and Dyeing Wool
• Editing a Newspaper
• Irving, Texas
• Serena Williams
• Table Etiquette
• Underage Drinking

Literature - Books, Stories

• A Child Called It
• Characters in A Christmas Carol
• Characters in Twilight
• Incidents in the Life of a Slave Girl
• Swallowing Stones
• The Black Cat
• The Hunger Games - Mockingjay
• The Outsiders
• The Ransom of Red Chief
• The Tell-Tale Heart
• A Christmas Carol
• Characters in The Hunger Games
• Fallen Angels
• I, Too, Sing America
• Romiette and Julio
• The Five People You Meet in Heaven
• The Hunger Games Basics
• Making Inferences and Drawing Conclusions
• Making Inferences
• Pandora's Box

Text Analysis

• Analyze Characters and Incidents in a Story
• Analyzing a Speech
• Analyzing a Story's Plot #2
• Analyzing Poetry
• Characterization
• Freytag's Pyramid - plot elements
• Identifying Genre
• Poem Analysis: The Wreck of the Hesperus
• Story Elements
• Types of Characters
• Types of Conflict
• Analyzing a Mystery
• Analyzing a Story's Plot #1
• Analyzing an Informational Passage
• Comparing Fiction and Non-Fiction
• Freytag's Pyramid Labeling
• Identifying Point of View
• Poem Analysis: THe Charge of the Light Brigade
• Point of View
• Text Structure and Organization
• Understanding Plot
• Affect vs. Effect
• Bazaar vs. Bizarre
• Later vs. Latter
• Personal vs. Personnel
• Synonyms Word Puzzzle
• Wave vs. Waive
• Allusion vs. Illusion
• Grade 8 Vocabulary Review #2
• Pedal vs. Peddle
• Physics Vocabulary
• Vocabulary Review
• Clothing Process
• Gender Neutral
• Raising Kids
• Writing a Tanka
• Community Service
• I Hate My Job
• Obsolete Jobs
• Writing a Song

Function and Algebra Concepts

• Approximating Irrational Numbers
• Comparing Numbers Written in Scientific Notation
• Estimating Radicals
• Evaluating Expressions & Equations with Exponents
• Function Graphs
• Grade 8 Number System Review
• Input Output Tables
• Linear Equations with Rational Coefficients
• Multiplying Radicals
• Performing Operations with Scientific Notation
• Rational and Irrational Numbers
• Simplifying Radicals
• Slope-Intercept Form: Finding Slope
• Square Roots
• Writing Algebraic Expressions and Equations
• Comparing Functions
• Estimating Values of Irrational Numbers
• Exponents and Radicals Review
• Function Tables
• Identifying Rational & Irrational Numbers
• Linear and Nonlinear Functions
• Linear Systems
• Negative Exponents
• Pre-Algebra Mid-Year Review
• Recognizing Rational & Irrational Numbers
• Slope-Intercept Form
• Solving Inequalities
• Systems of Linear Equations
• Writing Numbers in Scientific Notation

Geometry and Measurement

• Applying the Pythagorean Theorem
• Congruent and Similar
• Distance Formula
• Grade 8 Geometry Review
• Parallel Lines and Transversals
• Pythagorean Theorem
• Pythagorean Theorem Proof
• Rotation, Reflection, and Translation
• Similar and Congruent Figures
• Volumes of Cones, Cylinders, and Spheres
• Circle Calculations
• Dilations, Translation, Rotations, and Reflections
• Exterior Angles of Triangles
• Measures of Angles
• Properties of Translations
• Pythagorean Theorem - Finding Distance
• Reflections of Two-Dimensional Figures
• Rotations of Lines
• Similar Triangles
• Volume Calculations
• Scatter Plot - Heating Bill
• Interpreting Scatter Plots
• Scatter Plots

Middle School Math

• Mean, Mode, Median, and Range
• Grade 8 Statistics & Probability Review
• Order of Operations

Statistics and Probability

• Linear Association of Data
• Astronomy Vocabulary
• Moon Phases
• Sleeping on the Space Station (Reading Passage)
• Astronomy Vocabulary Review
• Our Solar System
• Spring and Neap Tide Diagrams
• Human Heart Diagram
• Respiratory System
• The Human Ear
• The Human Heart
• Mendelian Genetics
• Respiratory System Vocabulary
• The Human Eye
• Acids and Bases - Fill in the Blanks
• Atomic Structure
• Classifying Matter
• Element Symbols
• Periodic Table and Elements
• Physical Science Review
• The Element Argon
• The Element Copper
• The Element Oxygen
• The Periodic Table
• Acids, Bases, & pH
• Atomic Structure Vocabulary
• Chemical Reactions
• Molecules and Compounds
• Noble Gases
• Periodic Table Vocabulary
• The Element Chlorine
• The Element Hydrogen
• The Elements

Earth Science

• Air Pollution
• Earth’s Spheres
• Fossil Fuels
• Landforms Diagram
• Metamorphic Rocks
• Ocean Floor
• Tectonic Plates Map
• The Rock Cycle - Activity
• Topographic Maps
• Continental Drift
• Geologic Dating
• Measuring Earthquakes
• Mineral Tests
• Ocean Zones
• Seismic Waves
• Tectonic Plates
• The Ring of Fire
• Water Cycle Diagram

Forces and Motion

• Motion Calculations
• Newton's First Law of Motion
• Laws of Motion
• Magnets and Magnetic Fields
• Motion Vocabulary
• Speed, Velocity, and Acceleration

High School Science

• Experiments - Controls and Variables
• Work and Energy

Life Science

• Anatomy and Physiology
• Nervous and Endocrine Systems

Middle School Science

• Branches of Science
• Converting Between Celsius and Kelvin
• Electromagnetic Spectrum Diagram
• Microscope Diagrams
• Physical Science Vocabulary Review
• Converting Between Celsius and Fahrenheit
• Electricity
• Mechanical Advantage
• Mineral Terminology
• Temperature Scales
• Wave Properties and Behavior

Physical Science

Ancient and world history.

• Berlin Airlife
• Industry and Urbanization
• Spanish Colonies
• Discrimination and Slavery in the 1800s
• Japan: Feudalism through WWII
• Zapotec and Mixtec
• 13 Colonies Fill in the Blank Activity
• Alexander Hamilton
• America's First Fifty Years
• Civil War and Reconstruction (Long)
• Creating the Constitution
• Life in the Colonies
• The Early Republic
• Ulysses S. Grant
• Whiskey Rebellion
• William Tecumseh Sherman
• 13 Colonies Map Activity
• Abolitionists
• America in the Early 1800s
• American Political Parties
• Columbus Day
• Jacksonian Era
• Rise of American Industry and Response
• The Progressive Era
• US Constitutional Amendments
• Who Were the Colonists?

Graphic Organizers

• Cause and Effect Chart
• Persuasion Map
• Character Traits
• Solve a Math Problem

Business Technology

• Digital Literacy: Copyright
• Google Search Terms
• Introduction to Computers and Software
• Introduction to Robotics
• Microsoft Publisher
• Excel Shortcuts
• Internet Basics
• Introduction to Excel
• Microsoft Office Terminology
• Photoshop Tools

Culinary Arts

• All About Eggs
• Kitchen Equipment Identifcation
• U.S. Food Guide Pyramid Challenge
• Baking Bread
• Knife Safety

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Free Homework help resources developed by teachers for students in Grades 3 to 8. Includes hundreds of grade specific rigorous questions in both Mathematics & English Language Arts. Students will get instant feedback along with diagnostic reports. The homework help resources are aligned with the College and Career Readiness (CCR) standards and Common Core State Standards (CCSS). These resources are ideal for completing homework assignments, diagnosing student difficulties, and standardized test preparation.

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Highlight links, change contrast, increase text size, increase letter spacing, readability bar, dyslexia friendly font, increase cursor size, cmp3 grade 8, 8-1 thinking with mathematical models.

Concepts and Explanations | Worked Homework Examples | Math Background

In Thinking With Mathematical Models , your child will model relationships with graphs and equations. They will use models to analyze situations and solve problems. The Investigations in this Unit will help them understand the following ideas.

• Represent data using graphs, tables, word descriptions and algebraic expressions.
• Recognize linear and nonlinear relationships in tables and graphs.
• Use linear and inverse variation equations to model bivariate data
• Use residual analysis to measure the fit of linear and inverse variation models.
• Analyze, approximate, and solve linear equations.
• Use linear and inverse variation equations to solve problems and to make predictions and decisions
• Use scatter plots, two-way tables, and correlation coefficients to describe patterns of association in pairs of variables.
• Use standard deviation to measure variability in data distributions.

When your child encounters a new problem, it is a good idea to ask questions such as:

• What are the key variables in this situation?
• If there is a pattern relating the variables, is it strong enough to allow me to make predictions?
• What is the pattern relating the variables?
• What kind of equation will express the relationship?
• How can I use the equation to answer questions about the relationship?

8-2 Looking for Pythagoras

In Looking for Pythagoras , your child will explore an important relationship among the side lengths of a right triangle. They will learn how to:

• Develop strategies for finding the distance between two points on a coordinate grid
• Explain a proof of the Pythagorean Theorem
• Understand and use the Pythagorean Theorem to solve everyday problems
• Write fractions as repeating or terminating decimals
• Write decimals as fractions
• Recognize rational and irrational numbers
• Locate irrational numbers on a number line
• Relate the area of a square to its side length, and the volume of a cube to its side length
• Estimate square roots and cube roots

When your student encounters a new problem, it is a good idea to ask questions such as:

• What are the quantities in this problem?
• Is the Pythagorean Theorem useful and appropriate in this situation?
• How do I know?
• Do I need to find the distance between two points?
• How are the side length and the area of a square related?
• How can I estimate the square root or cube root of a number?

8-3 Growing, Growing, Growing

In Growing, Growing, Growing , your child will explore Exponential Functions, one of the most important types of nonlinear relationships. The Investigations in this Unit will help them learn how to:

• Identify situations in which a quantity grows or decays exponentially
• Recognize the connections between the growth patterns in tables, graphs, and equations that represent exponential functions
• Construct equations to express the relationship between the variables in an exponential function in data tables, graphs, and problem situations
• Compare exponential and linear functions
• Develop and use rules for working with exponents, including scientific notation, to write and interpret equivalent expressions
• Solve problems about exponential growth and decay from a variety of different areas, including science and business

As your child works on the Problems in this Unit, ask questions about situations that involve nonlinear relationships such as:

• How can I recognize whether the relationship between the variables is an exponential function?
• What is the growth or decay factor?
• What equation models the data in the table, graph, or problem situation?
• What can I learn about this situation by studying a table or graph of the exponential function?
• How can I answer questions about the problem situation by studying a table, graph, or equation that represents the exponential function?

8-4 Frogs, Fleas, and Painted Cubes

In Frogs, Fleas, and Painted Cubes , your child will explore quadratic functions, an important type of nonlinear function. They will learn how to

• Recognize patterns of change for quadratic relationships
• Write equations for quadratic functions represented in tables, graphs, and problem situations
• Connect quadratic equations to the patterns in tables and graphs of quadratic functions
• Use a quadratic equation to identify the maximum or minimum value, the x- and y-intercepts, line of symmetry, and other important features of the graph of a quadratic function
• Recognize equivalent quadratic expressions
• Use the Distributive Property to write equivalent quadratic expressions in factored and expanded form
• Use tables, graphs, and equations of quadratic functions to solve problems in a variety of situations from geometry, science, and business
• Compare properties of quadratic, linear, and exponential functions
• What are the independent and dependent variables?
• How can I recognize whether the relationship between the variables is quadratic?
• What equation models a quadratic function given in a table, graph, or problem context?
• How can I answer questions about the problem situation by studying a table, graph, or equation representing a quadratic function?

8-5 Butterflies, Pinwheels and Wallpaper

In Butterflies, Pinwheels, and Wallpaper , your child will learn how to:

• Identify figures that have different kinds of symmetry
• Describe types of symmetry using reflections, rotations, and translations
• Use symmetry transformations to compare the size and shape of figures to see whether they are congruent or similar
• Identify congruent and similar triangles and quadrilaterals efficiently
• Use properties of congruent and similar triangles to solve problems about shapes and measurements
• How can I use symmetry to describe the shape and properties of figures in a design or a problem?
• What figures in a pattern are congruent?
• What parts of congruent figures will be matched by a congruence transformation?
• What figures in a problem are similar?

8-6 Say It With Symbols

Concepts and Explanations Worked Homework Examples | Math Background

Algebra provides ideas and symbols for expressing information about quantitative variables and relationships. In Say It With Symbols , your child will solve problems designed to develop their understanding and skill in using symbolic expressions and equations in algebra. They will learn how to:

• Represent patterns and relationships in symbolic forms
• Determine when different symbolic expressions are mathematically equivalent
• Write algebraic expressions in useful equivalent forms
• Combine symbolic expressions using algebraic operations to form new expressions
• Analyze expressions or equations to determine the patterns of change in the tables and graphs that the expression or equation represents
• Solve linear and quadratic equations using symbolic reasoning
• Use algebraic reasoning to validate generalizations and conjectures
• What expression or equation represents the pattern or relationship in a context?
• Can you write an equivalent expression for a given expression to provide new information about a relationship?
• What operations can transform a given equation or expression into an equivalent form that can be used to answer a question?
• How can symbolic reasoning help confirm a conjecture?

8-7 It's in the System

In this Unit, your child will write and solve systems of linear equations and inequalities that model real-world situations. The methods for solving these algebraic systems combine graphic and algebraic reasoning from earlier Connected Mathematics Units. You will learn how to

• Solve linear equations and systems of linear equations with two variables
• Solve linear inequalities and systems of inequalities with two variables
• Use systems of linear equations and inequalities to solve problems
• What are the variables in this problem?
• Does the problem call for solving a system of equations or inequalities relating those variables?
• What strategy will be most effective in solving the system?

8-8 Function Junction

Functions have been a major theme throughout your child’s work with algebra. In Function Junction your child will take a deeper look at functions and explore new functions. The Investigations in this Unit will help them learn how to:

• Determine the domain and range of functions and the f (x) notation for expressing functions
• Examine numeric and graphic properties of step and piecewise defined functions
• Investigate properties and uses of inverse functions
• Investigate properties and applications of arithmetic and geometric sequences
• Explore the relationships between functions with graphs connected by transformations such as translations and dilations
• Express quadratic functions in equivalent vertex form and use that new form to solve equations and sketch graphs
• Develop a formula for solving any quadratic equation
• Explore the meaning and operations of complex numbers
• Use polynomial expressions and functions to model and to answer questions about data patterns and graphs that cannot be represented with linear, quadratic, inverse variation, or exponential functions

As they work through the Problems of this Unit, it will be helpful to keep asking questions such as:

• What are the variables in the situation and how are they related?
• What familiar type of function could be used to model the relationship of variables, or is something new required?
• How are algebraic expressions and graphs of the relationship between variables connected to each other?
• How can the algebraic expression for a function be written in a form that makes it easier to sketch or analyze a graph or solve an equation?

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