TEXASTHE LONE STAR STATETexas STAAR Grade 8 Math Prep Online Center
Everything Texas 8th graders need to master the STAAR math test — practice tests, lessons, worksheets, and step-by-step answer explanations.
Start With a STAAR Practice Test
Six full, timed Texas STAAR Grade 8 math practice tests — 40 questions each, instant scoring, a topic-by-topic breakdown, and full step-by-step solutions. Each one opens right here in a popup. Calculator: No calculator.
STAAR Practice Test 1
A full diagnostic across every Texas Grade 8 math topic.
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STAAR Practice Test 2
Fresh questions and problem types to build accuracy.
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STAAR Practice Test 3
New problems to add speed and confidence on every skill.
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STAAR Practice Test 4
Another complete, timed exam to build pacing and stamina.
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STAAR Practice Test 5
A brand-new mixed set to test your readiness.
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STAAR Practice Test 6
A final full-length simulation to confirm you are ready.
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Jump into Texas Grade 8 Math
Texas Grade 8 Math Study Tools
A few minutes of quick review — flip through flashcards or scan every key formula. Both open right here.
Texas Grade 8 Math Skill Quizzes
Short, focused quizzes — pick one skill, answer 10 questions, get instant scoring and full solutions, then jump to the matching lesson. Each opens right here.
The Number System & Real Numbers
A quick 10-question check on The Number System & Real Numbers with instant scoring and step-by-step solutions.
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Exponents & Scientific Notation
A quick 10-question check on Exponents & Scientific Notation with instant scoring and step-by-step solutions.
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Equations & Inequalities
A quick 10-question check on Equations & Inequalities with instant scoring and step-by-step solutions.
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Functions
A quick 10-question check on Functions with instant scoring and step-by-step solutions.
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Geometry & Transformations
A quick 10-question check on Geometry & Transformations with instant scoring and step-by-step solutions.
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Statistics & Probability
A quick 10-question check on Statistics & Probability with instant scoring and step-by-step solutions.
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Financial Literacy
A quick 10-question check on Financial Literacy with instant scoring and step-by-step solutions.
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Mixed Grade 8 Review
A quick 10-question check on Mixed Grade 8 Review with instant scoring and step-by-step solutions.
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Join students who study with a clearer path
This state grade math hub is part of the Effortless Math library for Texas STAAR Grade 8 Math Center. We connect lessons, worksheets, practice tests, books, and tools so students can study with a clearer next step.
Effortless Math is an independent educational publisher. Test names, state exams, standards names, and trademarks are used only to identify the relevant study topic; their owners do not sponsor, endorse, or approve this page.
Texas STAAR Grade 8 Math Snapshot
Texas Grade 8 Math Topics
Student-friendly Grade 8 math skills connected to the Texas standards — each tagged with its STAAR standard code and a focused lesson.
STAAR standard codes
Number Sense
Exponents and Scientific Notation
Equations and Inequalities
- 8.5Graphing Proportional RelationshipsQuiz
- 8.5Slope as Rate of ChangeQuiz
- 8.5Slope and the Equations of a LineQuiz
- 8.5Solving Linear Equations in One VariableQuiz
- 8.5Solving Systems of Two EquationsQuiz
- 8.5Solving Real Problems with SystemsQuiz
- 8.5Solving Linear InequalitiesQuiz
- 8.5Multiplying Linear Expressions and FactoringQuiz
- 8.5Graphing Linear Inequalities in Two VariablesQuiz
- 8.5Parallel and Perpendicular LinesQuiz
- 8.5Point Slope and Standard FormQuiz
- 8.5Literal EquationsQuiz
- 8.5Absolute Value Equations and InequalitiesQuiz
- 8.5Equations with Special SolutionsQuiz
Functions
Geometry
- 8.7Rotations Reflections and TranslationsQuiz
- 8.7Congruent FiguresQuiz
- 8.7Transformations on the Coordinate PlaneQuiz
- 8.7Similarity and DilationsQuiz
- 8.7Angles in Triangles and Parallel LinesQuiz
- 8.7The Pythagorean TheoremQuiz
- 8.7Finding Distance with the Pythagorean TheoremQuiz
- 8.7Volume of CylindersQuiz
- 8.7Angle RelationshipsQuiz
- 8.7Surface Area of Prisms Cylinders and PyramidsQuiz
- 8.7Volume of PyramidsQuiz
- 8.7Composite Figures Area and PerimeterQuiz
- 8.7Interior Angles of PolygonsQuiz
- 8.7Triangle Inequality TheoremQuiz
- 8.7Surface Area of SpheresQuiz
- 8.7Arc Length and Area of SectorsQuiz
- 8.7Cross Sections of 3D FiguresQuiz
- 8.7Parallel Lines and TransversalsQuiz
- 8.7(merged topic)Quiz
- 8.7Volume of Cones and SpheresQuiz
Statistics and Probability
- 8.5Scatter Plots and Patterns in DataQuiz
- 8.5Fitting a Line to DataQuiz
- 8.5Using a Linear ModelQuiz
- 8.5Two Way Tables for Categorical DataQuiz
- 8.5Mean Absolute DeviationQuiz
- 8.5Probability of Simple EventsQuiz
- 8.5Counting Principle and PermutationsQuiz
- 8.5Box Plots and Interquartile RangeQuiz
- 8.5Random SamplingQuiz
- 8.5Effect of Data Changes on StatisticsQuiz
- 8.5(merged topic)Quiz
Best Texas STAAR Grade 8 Math Books
Each book has a job: start from scratch, drill weak skills, or build pacing with full tests. All of them pair with the free tools on this page.
Texas STAAR Grade 8 Math Made Ridiculously Simple
A step-by-step STAAR Grade 8 math book that rebuilds every tested skill clearly and in order — built to match the Texas standards.
- Best starting point for the STAAR math test
- Pairs with Texas flashcards and worksheets
- Use it before full timed practice tests
- Organized for students who need examples before drills
📘Step-by-step lessons
Short explanations show the move before the student practices it.
✍️Worked examples
Examples translate STAAR-style wording into clear math steps.
🎯Targeted practice
Rebuild one skill at a time instead of jumping around.
🌉Test-day bridge
After each topic, connect to formulas, flashcards, and practice questions.
🗺️How to use it
- Read one lesson and copy the worked example.
- Do a short worksheet set on the same topic.
- Review the matching flashcards or formulas.
- Try a mixed quiz and mark every miss.
🔗Pair it with free tools
Choose the right Texas Grade 8 math book
Texas STAAR Grade 8 Math Made Ridiculously Simple
Start here to rebuild STAAR math from the ground up.
Texas STAAR Grade 8 Math Preparation Bundle
The full prep library — study guide, workbook, and practice tests together.
7 Texas STAAR Grade 8 Math Practice Tests
Use after topic review to build pacing and test stamina.
Texas Grade 8 Math Standards
The official Texas Grade 8 math standards, grouped by domain with the exact code and description for each expectation.
8.1
- 8.1(A)apply mathematics to problems arising in everyday life, society, and the workplace
- 8.1(B)use a problem-solving model that incorporates analyzing given information, formulating a plan or strategy, determining a solution, justifying the solution, and evaluating the problem-solving process and the reasonableness of the solution
- 8.1(C)select tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems
- 8.1(D)communicate mathematical ideas, reasoning, and their implications using multiple representations, including symbols, diagrams, graphs, and language as appropriate
- 8.1(E)create and use representations to organize, record, and communicate mathematical ideas
- 8.1(F)analyze mathematical relationships to connect and communicate mathematical ideas;
- 8.1(G)display, explain, and justify mathematical ideas and arguments using precise mathematical language in written or oral communication
8.2
- 8.2(A)extend previous knowledge of sets and subsets using a visual representation to describe relationships between sets of real numbers
- 8.2(B)approximate the value of an irrational number, including π and square roots of numbers less than 225, and locate that rational number approximation on a number line
- 8.2(C)convert between standard decimal notation and scientific notation;
- 8.2(D)order a set of real numbers arising from mathematical and real-world contexts
8.3
- 8.3(A)generalize that the ratio of corresponding sides of similar shapes are proportional, including a shape and its dilation
- 8.3(B)compare and contrast the attributes of a shape and its dilation(s) on a coordinate plane;
- 8.3(C)use an algebraic representation to explain the effect of a given positive rational scale factor applied to two-dimensional figures on a coordinate plane with the origin as the center of dilation
8.4
- 8.4(A)use similar right triangles to develop an understanding that slope, m, given as the rate comparing the change in y-values to the change in x-values, (y2- y1)/ (x2- x1), is the same for any two points (x1, y1) and (x2, y2) on the same line
- 8.4(B)graph proportional relationships, interpreting the unit rate as the slope of the line that models the relationship;
- 8.4(C)use data from a table or graph to determine the rate of change or slope and y-intercept in mathematical and real-world problems
8.5
- 8.5(A)represent linear proportional situations with tables, graphs, and equations in the form of y = kx
- 8.5(B)represent linear non-proportional situations with tables, graphs, and equations in the form of y = mx + b, where b ≠ 0
- 8.5(C)contrast bivariate sets of data that suggest a linear relationship with bivariate sets of data that do not suggest a linear relationship from a graphical representation
- 8.5(D)use a trend line that approximates the linear relationship between bivariate sets of data to make predictions
- 8.5(E)solve problems involving direct variation
- 8.5(F)distinguish between proportional and non-proportional situations using tables, graphs, and equations in the form y = kx or y = mx + b, where b ≠ 0
- 8.5(G)identify functions using sets of ordered pairs, tables, mappings, and graphs
- 8.5(H)identify examples of proportional and non-proportional functions that arise from mathematical and real-world problems;
- 8.5(I)write an equation in the form y = mx + b to model a linear relationship between two quantities using verbal, numerical, tabular, and graphical representations
8.6
- 8.6(A)describe the volume formula V = Bh of a cylinder in terms of its base area and its height
- 8.6(B)model the relationship between the volume of a cylinder and a cone having both congruent bases and heights and connect that relationship to the formulas;
- 8.6(C)use models and diagrams to explain the Pythagorean theorem
8.7
- 8.7(A)solve problems involving the volume of cylinders, cones, and spheres
- 8.7(B)use previous knowledge of surface area to make connections to the formulas for lateral and total surface area and determine solutions for problems involving rectangular prisms, triangular prisms, and cylinders
- 8.7(C)use the Pythagorean Theorem and its converse to solve problems;
- 8.7(D)determine the distance between two points on a coordinate plane using the Pythagorean Theorem
8.8
- 8.8(A)write one-variable equations or inequalities with variables on both sides that represent problems using rational number coefficients and constants
- 8.8(B)write a corresponding real-world problem when given a one-variable equation or inequality with variables on both sides of the equal sign using rational number coefficients and constants
- 8.8(C)model and solve one-variable equations with variables on both sides of the equal sign that represent mathematical and real-world problems using rational number coefficients and constants;
- 8.8(D)use informal arguments to establish facts about the angle sum and exterior angle of triangles, the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles
8.9
- 8.9The student applies mathematical process standards to use multiple representations to develop foundational concepts of simultaneous linear equations
8.10
- 8.10(A)generalize the properties of orientation and congruence of rotations, reflections, translations, and dilations of two-dimensional shapes on a coordinate plane
- 8.10(B)differentiate between transformations that preserve congruence and those that do not
- 8.10(C)explain the effect of translations, reflections over the x- or y-axis, and rotations limited to 90°, 180°, 270°, and 360° as applied to two-dimensional shapes on a coordinate plane using an algebraic representation;
- 8.10(D)model the effect on linear and area measurements of dilated two-dimensional shapes
8.11
- 8.11(A)construct a scatterplot and describe the observed data to address questions of association such as linear, non-linear, and no association between bivariate data
- 8.11(B)determine the mean absolute deviation and use this quantity as a measure of the average distance data are from the mean using a data set of no more than 10 data points;
- 8.11(C)simulate generating random samples of the same size from a population with known characteristics to develop the notion of a random sample being representative of the population from which it was selected
8.12
- 8.12(A)solve real-world problems comparing how interest rate and loan length affect the cost of credit
- 8.12(B)calculate the total cost of repaying a loan, including credit cards and easy access loans, under various rates of interest and over different periods using an online calculator
- 8.12(C)explain how small amounts of money invested regularly, including money saved for college and retirement, grow over time
- 8.12(D)calculate and compare simple interest and compound interest earnings
- 8.12(E)identify and explain the advantages and disadvantages of different payment methods
- 8.12(F)analyze situations to determine if they represent financially responsible decisions and identify the benefits of financial responsibility and the costs of financial irresponsibility;
- 8.12(G)estimate the cost of a two-year and four-year college education, including family contribution, and devise a periodic savings plan for accumulating the money needed to contribute to the total cost of attendance for at least the first year of college
Standards: Texas Essential Knowledge and Skills (TEKS). Official source ↗
Texas STAAR Grade 8 Math FAQ
What is the STAAR Grade 8 math test?
The STAAR (State of Texas Assessments of Academic Readiness) is Texas's Grade 8 mathematics assessment. These free practice tests mirror its format with 40 questions and full solutions.
Can I use a calculator?
No calculator is permitted on the Grade 7 STAAR math test (calculators are provided beginning in grade 8).
How long is each practice test?
Each test has a 100-minute timer and auto-submits at 0:00, then shows your score, a topic breakdown, and step-by-step solutions.
Is it free?
Yes — all six tests, lessons, and worksheets are free with no login. The study guide and bundle are optional next steps.
Grade 8 Math in Other States
Explore Grade 8 math standards, practice tests, and worksheets for every state.
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
- District of Columbia
Make This Your Texas STAAR Starting Point
Take a timed practice test, find your weakest topic, and study it with the linked lessons, worksheets, and the STAAR study guide.