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Texas Grade 8 Math
Texas Grade 8 Math: explore grade-level lessons, worksheets, and learning references. Check the curriculum source and choose practice for your next skill.
Focused lessons · Useful practice · Clear next steps
What do Texas 8th graders learn in math?
In 8th grade, Texas math centers on linear equations and functions, the Pythagorean theorem, exponents and scientific notation, transformations, and volume. Students take the STAAR grade 8 math test in the spring. This page explains each Texas grade 8 math standard and pairs it with short lessons, skill quizzes, printable worksheets and a full-length practice test.
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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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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Texas STAAR Grade 8 Math Snapshot
Texas Grade 8: connect practice to a classroom target
Use the current Texas curriculum document to check the expectation your class is studying. The topic directory provides general lessons; it is not a complete state alignment. These selected learning references give you more precise ideas to compare with an assignment. Common Core-style codes are Common Core references, and other codes come from the existing planning reference. Confirm current state wording and placement before treating either as an official local requirement.
- 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
- 8.2(A)
- extend previous knowledge of sets and subsets using a visual representation to describe relationships between sets of real numbers
- 8.3(A)
- generalize that the ratio of corresponding sides of similar shapes are proportional, including a shape and its dilation
- 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
- 8.5(A)
- represent linear proportional situations with tables, graphs, and equations in the form of y = kx
- 8.6(A)
- describe the volume formula V = Bh of a cylinder in terms of its base area and its height
Choose practice from the explanation
Ask the student to explain one of the ideas above with a drawing, model, table, or short calculation. If the explanation is unclear, open the related lesson before assigning a mixed test. If the idea is understood but the calculation is unreliable, choose a focused worksheet and review the strategy afterward.
Keep the classroom target, the resource used, and the next step together in a study note. A topic quiz can guide review; its score is not an official state performance level. Revisit the skill in a new context after a few days.
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.
Number Sense
- 8.2Rational and Irrational NumbersWorksheetsQuiz
- 8.2Turning Repeating Decimals into FractionsWorksheetsQuiz
- 8.2Estimating Irrational NumbersWorksheetsQuiz
- 8.2Estimating Expressions with Irrational NumbersWorksheetsQuiz
- 8.2Personal Financial LiteracyWorksheetsQuiz
- 8.2Prime Factorization with ExponentsWorksheetsQuiz
- 8.2Density of Real NumbersWorksheetsQuiz
Exponents and Scientific Notation
Equations and Inequalities
- 8.5Graphing Proportional RelationshipsWorksheetsQuiz
- 8.5Slope as Rate of ChangeWorksheetsQuiz
- 8.5Slope and the Equations of a LineWorksheetsQuiz
- 8.5Solving Linear Equations in One VariableWorksheetsQuiz
- 8.5Solving Systems of Two EquationsWorksheetsQuiz
- 8.5Solving Real Problems with SystemsWorksheetsQuiz
- 8.5Solving Linear InequalitiesWorksheetsQuiz
- 8.5Multiplying Linear Expressions and FactoringWorksheetsQuiz
- 8.5Graphing Linear Inequalities in Two VariablesWorksheetsQuiz
- 8.5Parallel and Perpendicular LinesWorksheetsQuiz
- 8.5Point Slope and Standard FormWorksheetsQuiz
- 8.5Literal EquationsWorksheetsQuiz
- 8.5Absolute Value Equations and InequalitiesWorksheetsQuiz
- 8.5Equations with Special SolutionsWorksheetsQuiz
Functions
- 8.5What is a FunctionWorksheetsQuiz
- 8.5Reading Function ValuesWorksheetsQuiz
- 8.5Comparing Two FunctionsWorksheetsQuiz
- 8.5Linear vs Nonlinear FunctionsWorksheetsQuiz
- 8.5Building Linear FunctionsWorksheetsQuiz
- 8.5Sketching and Describing Function GraphsWorksheetsQuiz
- 8.5Domain and Range of a FunctionWorksheetsQuiz
- 8.5Arithmetic SequencesWorksheetsQuiz
- 8.5Geometric SequencesWorksheetsQuiz
Geometry
- 8.7Rotations Reflections and TranslationsWorksheetsQuiz
- 8.7Congruent FiguresWorksheetsQuiz
- 8.7Transformations on the Coordinate PlaneWorksheetsQuiz
- 8.7Similarity and DilationsWorksheetsQuiz
- 8.7Angles in Triangles and Parallel LinesWorksheetsQuiz
- 8.7The Pythagorean TheoremWorksheetsQuiz
- 8.7Finding Distance with the Pythagorean TheoremWorksheetsQuiz
- 8.7Volume of CylindersWorksheetsQuiz
- 8.7Angle RelationshipsWorksheetsQuiz
- 8.7Surface Area of Prisms Cylinders and PyramidsWorksheetsQuiz
- 8.7Volume of PyramidsWorksheetsQuiz
- 8.7Composite Figures Area and PerimeterWorksheetsQuiz
- 8.7Interior Angles of PolygonsWorksheetsQuiz
- 8.7Triangle Inequality TheoremWorksheetsQuiz
- 8.7Surface Area of SpheresWorksheetsQuiz
- 8.7Arc Length and Area of SectorsWorksheetsQuiz
- 8.7Cross Sections of 3D FiguresWorksheetsQuiz
- 8.7Parallel Lines and TransversalsWorksheetsQuiz
- 8.7(merged topic)WorksheetsQuiz
- 8.7Volume of Cones and SpheresWorksheetsQuiz
Statistics and Probability
- 8.5Scatter Plots and Patterns in DataWorksheetsQuiz
- 8.5Fitting a Line to DataWorksheetsQuiz
- 8.5Using a Linear ModelWorksheetsQuiz
- 8.5Two Way Tables for Categorical DataWorksheetsQuiz
- 8.5Mean Absolute DeviationWorksheetsQuiz
- 8.5Probability of Simple EventsWorksheetsQuiz
- 8.5Counting Principle and PermutationsWorksheetsQuiz
- 8.5Box Plots and Interquartile RangeWorksheetsQuiz
- 8.5Random SamplingWorksheetsQuiz
- 8.5Effect of Data Changes on StatisticsWorksheetsQuiz
- 8.5(merged topic)WorksheetsQuiz
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. The linked activities are independent Grade 8 practice. Their question count, timer, scoring, and item types may differ from the official assessment. Use the directions inside each activity.
Can I use a calculator?
Texas’s standard STAAR Grade 8 mathematics policy requires a graphing calculation device. Accommodation and device requirements are explained in the official policy. Check the STAAR calculator policy with your school before testing.
How long is each practice test?
Read the timer and question count shown in the practice activity you open. These are practice settings, not a statement of the official assessment’s duration or scoring.
Is it free?
The linked general practice and topic resources are available separately from optional books. Check each activity’s directions and access requirements. 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
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- Ohio
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- 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.
Start a practice testA USEFUL NEXT STEP
Texas Grade 8 Math: study questions
How should I choose a Grade 8 math study target?
Choose a current classroom target, find the matching learning reference, and use a lesson or available practice resource to check understanding. State documents control local wording and placement; shared reference codes are not a certified crosswalk.
Official source ↗Are these activities official state assessments?
These are independently published learning resources. A practice score does not predict or replace an official state score. Use the directions in each activity and consult your school for official testing and accommodation rules.
Resources from Effortless Math · Editorial standards