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Integrated Math I (WA Math 2026)

Your Teacher Information Pack for Integrated Math I in Washington State: 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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State
Washington State
Course
Integrated Math I
Standards
Washington State K–12 Learning Standards for Mathematics (2026) – "WA Math 2026"
Last checked
2026-10-21

These are the WA Math 2026 standards for this course, required from 2027-28. In 2026-27 Washington schools teach the Common Core high school standards (see the Algebra I, Geometry and Algebra II pages).

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The standards (our summaries)

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

Data Analysis (DA)

  • M.HS.DA.DS.1 Pose multivariable investigative questions, plan how data could answer them and think about cause and prediction when framing them.
  • M.HS.DA.DS.2 Understand bias and confounding variables in data collection, and good practice for handling data, including sensitive and private information.
  • M.HS.DA.DS.3 Use technology to clean, sort or filter data sets, then summarize relationships between quantitative variables with scatter plots, regressions, histograms and box plots.
  • M.HS.DA.DS.4 Recognize missing values and the bias they can cause, weigh competing explanations such as confounding variables and respond to other interpretations.
  • M.HS.DA.FIF.1 Understand that a function pairs each input in its domain with exactly one output in its range, and that its graph is the set of those pairs.
  • M.HS.DA.FIF.2 Use function notation, evaluate functions for allowed inputs and interpret function statements in context.
  • M.HS.DA.SID.1 Show data on the number line with dot plots, histograms and box plots.
  • M.HS.DA.SID.2 Choose center (median, mean) and spread (IQR, standard deviation) statistics that suit a distribution's shape to compare data sets.
  • M.HS.DA.SID.3 Explain differences in shape, center and spread in context, allowing for outliers.
  • M.HS.DA.SID.5 Summarize two-category data in two-way tables, interpret joint, marginal and conditional relative frequencies and spot possible associations.
  • M.HS.DA.SID.6 Plot two quantitative variables on a scatter plot, describe the relationship and fit functions to solve problems in context.
    • a. Use a given function or one the context suggests; any function family may be used.
    • b. Judge informally how well a function fits by plotting and studying residuals.
    • c. Fit a linear function when the scatter plot looks linear.
  • M.HS.DA.SID.7 Explain what the slope and intercept of a linear model mean for the data.
  • M.HS.DA.SID.8 Use technology to find the correlation coefficient of a linear fit and explain it.
  • M.HS.DA.SID.9 Tell correlation apart from causation.

Quantity (Q)

  • M.HS.Q.NQ.1 Use units to understand and guide multistep problems, keep units consistent in formulas and choose sensible scales and origins for graphs.
  • M.HS.Q.NQ.2 Choose suitable quantities to describe a situation when modeling.
  • M.HS.Q.NQ.3 Report quantities with accuracy that suits the limits of the measurement.
  • M.HS.Q.ASSE.1 Explain what an expression means in its context, for any family of functions.
    • a. Name and explain parts of expressions such as terms, factors and coefficients.
    • b. Make sense of complicated expressions by treating some parts as single quantities.
  • M.HS.Q.FIF.7 Graph function families from their equations, by hand or with technology, showing intercepts, increase and decrease, maxima and minima, symmetry and end behavior.
    • a. Show intercepts, maxima and minima.
    • b. Graph square root, cube root and piecewise functions, including step and absolute value functions.
    • c. Graph polynomials, showing zeros when they factor and the end behavior.
    • d. Graph logarithmic functions (intercepts, end behavior) and trig functions (period, midline, amplitude).
    • e. (+) Graph rational functions, showing zeros, asymptotes and end behavior.
  • M.HS.Q.FIF.9 Compare properties of two functions shown in different forms, across many function families.
  • M.HS.Q.ACED.3 Model constraints with equations, inequalities or systems and decide whether solutions are workable in context.
  • M.HS.Q.ACED.4 Rearrange formulas to isolate a quantity of interest, reasoning as when solving equations.
  • M.HS.Q.FBF.1 Write a function for the relationship between two quantities, including linear, exponential and sequence relationships in context.
    • a. Find an explicit formula, a recursive rule or calculation steps from a context.
    • b. Combine standard functions with arithmetic operations.
    • c. (+) Compose functions.
  • M.HS.Q.FIF.3 Recognize sequences as functions on a subset of the integers, sometimes defined recursively.
  • M.HS.Q.FBF.3 Identify how adding k, multiplying by k or replacing x with kx or x + k changes a graph, find k from graphs and explain the effects.

Relationships (R)

  • M.HS.R.FIF.4 Read key features of graphs and tables of a function in context and sketch graphs from a description of key features.
  • M.HS.R.FIF.5 Link a function's domain to its graph and to the situation it models, across many function families.
  • M.HS.R.FIF.6 Find what a non-linear function's average rate of change is over an interval, explain it and estimate it from a graph.
  • M.HS.R.ACED.1 Model a situation with a one-variable equation or inequality and solve problems with it.
  • M.HS.R.ACED.2 Write equations in two or more variables for relationships and graph them on labeled, scaled axes.
  • M.HS.R.FLE.1 Tell situations modeled by linear functions from those modeled by exponential functions.
    • a. Linear functions change by equal differences, exponential ones by equal factors, over equal intervals.
    • b. Spot situations with a constant rate of change per unit interval.
    • c. Spot situations with growth or decay by a constant percent per unit interval.
  • M.HS.R.FLE.2 Build linear and exponential functions from a graph, a description or two input-output pairs (including from a table).
  • M.HS.R.FLE.3 See from graphs and tables that exponential growth eventually overtakes linear, quadratic and polynomial growth.
  • M.HS.R.FLE.5 Explain what the parameters of a linear or exponential function mean in context.
  • M.HS.R.AREI.1 Choose and use strategies to solve an equation, explaining each step and building a sound argument for the method.
  • M.HS.R.AREI.5 Show that replacing one equation of a two-variable system with its sum with a multiple of the other keeps the same solutions.
  • M.HS.R.AREI.6 Solve linear systems exactly and approximately (e.g. by graphing), mainly pairs of equations in two variables.

Spatial Reasoning (SR)

  • M.HS.SR.GGPE.4 Prove simple geometry facts with algebra on the coordinate plane.
  • M.HS.SR.GGPE.5 Prove the slope conditions for parallel or perpendicular lines and apply them, e.g. to write such a line through a given point.
  • M.HS.SR.GGPE.6 Find the point that divides a directed segment in a given ratio.
  • M.HS.SR.GGPE.7 Work out polygon perimeters and triangle and rectangle areas from coordinates, e.g. with the distance formula.
  • M.HS.SR.GCO.1 Know exact definitions of angle, circle, perpendicular and parallel lines and segment, built from point, line, distance along a line and arc length.
  • M.HS.SR.GCO.2 Represent transformations with tools such as transparencies or software, treat them as functions on points and compare those that keep distance and angle with those that do not.
  • M.HS.SR.GCO.3 Describe the rotations and reflections that map a rectangle, parallelogram, trapezoid or regular polygon onto itself.
  • M.HS.SR.GCO.4 Define rotations, reflections and translations using angles, circles, perpendicular and parallel lines and segments.
  • M.HS.SR.GCO.5 Draw the image of a figure under a rotation, reflection or translation and give a sequence of transformations mapping one figure to another.
  • M.HS.SR.GCO.6 Use rigid motions to transform figures, predict their effect and decide by definition whether two figures are congruent.
  • M.HS.SR.GCO.7 Show with rigid motions that triangles are congruent exactly when matching sides and angles are congruent.
  • M.HS.SR.GCO.8 Explain how the ASA, SAS and SSS tests follow from defining congruence by rigid motions.
  • M.HS.SR.GCO.12 Make formal constructions with varied tools, such as copying and bisecting segments and angles and drawing perpendicular and parallel lines.
  • M.HS.SR.GCO.13 Construct a regular hexagon, a square and an equilateral triangle inscribed in a circle.
  • M.HS.SR.AREI.10 Understand that a two-variable equation's graph is the set of all its solutions, often a curve or line.
  • M.HS.SR.AREI.11 Explain why the x-values where y = f(x) and y = g(x) meet solve f(x) = g(x), and find them approximately with graphs, tables or approximation.
  • M.HS.SR.AREI.12 Graph a two-variable linear inequality as a half-plane (dashed edge if strict) and a system of them as the overlap.

Tests and key dates

Check the Office of Superintendent of Public Instruction (OSPI) for which grades are tested and this year's testing dates.

More packs

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This resource was adapted from original materials provided by the Office of Superintendent of Public Instruction. Original materials may be accessed at Mathematics K–12 Learning Standards (OSPI). Standards codes from the Washington State K–12 Learning Standards for Mathematics (2026); summaries are Classfern's own words and not the official text.

Codes are facts; the descriptions are our own short summaries, not the official text. Always check the official document.

Classfern is not affiliated with or endorsed by the Office of Superintendent of Public Instruction (OSPI).