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 STAAR Grade 8 Math & ELA Mega Bundle
9 books and 44 full-length practice tests in one TPT bundle.
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.
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.