8th Grade Math (Indiana Academic Standards)

Your Teacher Information Pack for 8th Grade Math in Indiana: the standards with their official codes, the state tests and the official links. Check what you're teaching and plan a lesson.

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The standards (our summaries)

Indiana's official codes with our own short summaries (not the official wording). Each code links to the official document.

Grade 8

Number Sense (NS)

• 8.NS.1 Know irrational numbers, give examples, write decimal expansions and convert repeating decimals to fractions.
• 8.NS.2 Use rational approximations to compare irrational numbers, place them on a number line and estimate expressions.
• 8.NS.3 Use exponent rules to write equivalent expressions with rational bases and whole-number exponents.
• 8.NS.4 Solve real-world problems with rational numbers using several operations.

Algebra and Functions (AF)

• 8.AF.1 Solve multi-step linear equations and inequalities with rational coefficients fluently and use them to model real situations.
• 8.AF.2 Write linear equations in one variable with one, infinitely many or no solutions and justify which case applies.
• 8.AF.3 Understand a function as a rule giving exactly one output for each input, with its graph as a set of ordered pairs.
• 8.AF.4 Describe a relationship from its graph (increasing, decreasing, linear, extreme values) and sketch graphs from descriptions.
• 8.AF.5 Understand y = mx + b as a linear function with a straight-line graph and compare linear and nonlinear functions in all forms.
• 8.AF.6 Write a function for a linear relationship from a description, table or graph and interpret slope and y-intercept.
• 8.AF.7 Compare two linear functions given in different forms, e.g. compare speeds from distance–time data.
• 8.AF.8 Estimate the solution of a system of two linear equations by graphing and judge whether it is reasonable.

Geometry and Measurement (GM)

• 8.GM.1 Explore dilations, translations, rotations and reflections of 2D figures on the coordinate plane.
• 8.GM.2 Solve problems with the volume of cones, spheres and pyramids and the surface area of spheres.
• 8.GM.3 Use the Pythagorean Theorem to find missing side lengths of right triangles in 2D problems.

Data Analysis, Statistics, and Probability (DSP)

• 8.DSP.1 Make and interpret scatter plots of bivariate data, describing clusters, outliers and positive, negative, linear or nonlinear association.
• 8.DSP.2 Write and use linear models to predict by interpolation and extrapolation and interpret slope and intercept.
• 8.DSP.3 Show sample spaces and find probabilities of independent and dependent compound events with lists, tables and tree diagrams.
• 8.DSP.4 Understand compound probability as favorable over total outcomes and use terms such as independent, dependent, complementary and mutually exclusive.
• 8.DSP.5 Develop and use the multiplication counting principle for events with many outcomes.

Mathematics Process Standards (all grades)

Process Standards (PS)

• PS.1 Make sense of problems, plan a solution path, monitor progress and check that answers are reasonable.
• PS.2 Reason abstractly and quantitatively, moving between symbols and the real context while attending to units.
• PS.3 Build and justify arguments (including always/sometimes/never), critique others' reasoning and collaborate.
• PS.4 Model with mathematics: apply math to everyday situations, make reasonable assumptions and check results.
• PS.5 Choose and use suitable tools, from paper and models to technology, knowing their strengths and limits.
• PS.6 Attend to precision: communicate with clear definitions, correct symbols, labeled units and suitable accuracy.
• PS.7 Look for and use structure and patterns, seeing complex items as single objects or as sets of parts.
• PS.8 Notice repeated reasoning, look for general methods and shortcuts, and keep checking intermediate results.

Tests and key dates

• ILEARN
• IREAD-3
• SAT / PSAT (College Board)

Check the Indiana Department of Education for which grades are tested and this year's testing dates (we have not yet confirmed every detail above on the official site).

Official documents

• secure.in.gov: mathematics
• in.gov: indiana academic standards for math and ela
• in.gov: Kindergarten ELA 2023 IAS CCSS Correlation Guide

More packs

Common Core version: Grade 8 Math · Indiana hub · Find another TIP