IT / R / 01
Middle school math
Grade 8 functions.
Open the syllabusUnited States · Grade 9 math · Integrated pathway
Integrated Math I is the first course of the integrated high school pathway. Instead of a whole year of algebra, a ninth grader meets linear and exponential functions, a unit of data and regression, and a unit of geometric congruence in the same course. Families who moved from a district that teaches Algebra 1 often find the order unfamiliar, and textbook help is harder to find. This page sets out what the course contains, in the states' own words, and teaches its central idea.
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In short
Integrated Math I is the first course of the Common Core integrated sequence (Mathematics 1, 2 and 3), taught in states such as Utah, as Secondary Mathematics I, and North Carolina, as NC Math 1. It covers linear and exponential functions, equations and systems, linear models of data, and congruence. Modern Age Coders teaches it live online, in a batch of 15 to 20 or 1-on-1, through our Algebra Foundations course.
Integrated Math I
Algebra Foundations carries the algebra and functions half of the course; the other two cover geometry and the years ahead.

IT / 01
Linear and exponential functions, equations and systems.
Open the syllabus →
IT / 02
All three integrated years, including the geometry units.
Open the syllabus →
IT / 03
Grade 8 functions and equations, if gaps show up.
Open the syllabus →What it is
It is the same Common Core high school content as the traditional pathway, cut into courses a different way. Algebra 1 keeps geometry for a separate year; Integrated Math I mixes a share of it in from the start.
The Common Core's note on courses says its high school standards "do not mandate the sequence of high school courses." It names two model sequences: "a traditional course sequence (Algebra I, Geometry, and Algebra II)" and "an integrated course sequence (Mathematics 1, Mathematics 2, Mathematics 3)."
The same note says "The standards themselves do not dictate curriculum, pedagogy, or delivery of content." That is why course names and textbooks differ from state to state while the underlying standards match.
A student in Algebra 1 spends most of grade 9 on equations, functions and quadratics. A student in Integrated Math I stops after linear and exponential functions, then studies data and congruence before quadratics arrive in Integrated Math II.
Neither order is easier. Moving between them mid-sequence is what causes trouble, because a transferring student can miss a topic or meet one twice.
| State | Course name | What the state publishes |
|---|---|---|
| Utah | Secondary Mathematics I | Core standards with six critical areas; a graduation pathways chart |
| North Carolina | NC Math 1 | Graduation requires "NC Math 1, 2, and 3 and a fourth mathematics course to be aligned with the student's post high school plans" |
| Many districts elsewhere | Integrated Math I or Math I | District course guides; check yours for the exact unit order |
Sources: Common Core State Standards for Mathematics (page 84), Utah State Board of Education mathematics core and NC DPI Standard Course of Study supporting resources.
Test makers follow the integrated names too. NWEA's MAP Growth features page says "Every license of MAP Growth includes tests for Algebra 1 and 2, Integrated Math 1, 2 and 3, and Geometry", so a district can measure growth inside the course itself.
The units
Utah's core standards set the course out in six critical areas. They give a clear picture of a typical Integrated Math I year, even outside Utah.
Utah opens its course description with the purpose: "THE FUNDAMENTAL PURPOSE OF SECONDARY MATHEMATICS I is to formalize and extend the mathematics that students learned in the middle grades." It deepens linear relationships "in part by contrasting them with exponential phenomena", and "The final unit in the course ties together the algebraic and geometric ideas studied."
| Area | Utah's focus | In plain terms (ours) |
|---|---|---|
| 1 | Using quantities to model and analyze situations, interpreting expressions, creating equations | Writing an equation from a word problem, and saying what each part means |
| 2 | Function notation, domain and range; comparing linear and exponential functions, "distinguishing between additive and multiplicative change" | Adding the same amount each step, or multiplying by the same factor |
| 3 | Solving linear equations and inequalities, justifying each step, systems of equations, simple exponential equations | Explaining why each move is allowed, not just doing it |
| 4 | Regression for approximately linear data; "With linear models, they look at residuals to analyze the goodness of fit" | Fitting a line and checking how far points miss it |
| 5 | Triangle congruence criteria from rigid motions and formal constructions | Why SSS, SAS and ASA work, through slides, flips and turns |
| 6 | Coordinate geometry: special triangles and quadrilaterals, "slopes of parallel and perpendicular lines" | Proving a shape is a square with slopes and distances |
In Area 2, Utah says students "move beyond viewing functions as processes that take inputs and yield outputs, and start viewing functions as objects in their own right."
That is the step that trips up many ninth graders. A student can plug numbers into f(x) = 3x + 2 yet still struggle to compare two functions given as a table and a graph.
Utah's wording is that students "interpret arithmetic sequences as linear functions and geometric sequences as exponential functions."
Once a student sees that 7, 11, 15, 19 is a line sampled at whole numbers, half of the course's sequence questions become questions they already know how to answer.
Worked examples
Look at what happens from one step to the next. Linear quantities change by the same amount; exponential quantities change by the same factor. These examples are ours, written for this page.
| Week w | Plan A: 50 + 20w | Plan B: 5 x 2^w | Which is ahead |
|---|---|---|---|
| 0 | 50 | 5 | A |
| 2 | 90 | 20 | A |
| 4 | 130 | 80 | A |
| 5 | 150 | 160 | B, just |
| 6 | 170 | 320 | B, by a lot |
Plan A grows by a constant difference of 20, so its graph is a line. Plan B grows by a constant ratio of 2, so its graph curves upward. A fair conclusion, written the way Integrated Math I expects it: "an exponential function with a growth factor above 1 eventually passes any linear function, however far behind it starts." Here that happens between week 4 and week 5.
| Problem | Reasoning | Result |
|---|---|---|
| Write 7, 11, 15, 19, ... as a function of the term number n | Common difference 4, first term 7: a(n) = 7 + 4(n - 1) | a(n) = 4n + 3, a linear function |
| Write 3, 6, 12, 24, ... as a function of n | Common ratio 2, first term 3 | g(n) = 3 x 2^(n - 1), exponential |
| Solve 3x + 2y = 16 and x - y = 2 | From the second, x = y + 2 (adding y to both sides keeps the equation true). Substitute: 3(y + 2) + 2y = 16, so 5y = 10 | y = 2, x = 4 |
| Is the quadrilateral A(0,0), B(4,1), C(3,5), D(-1,4) a square? | Slope AB = 1/4 and slope BC = -4; the product is -1, so AB is perpendicular to BC. Each side has length the square root of 17. | Yes: four equal sides and a right angle |
| x | Actual y | Predicted y | Residual (actual minus predicted) |
|---|---|---|---|
| 1 | 52 | 52 | 0 |
| 2 | 55 | 55.5 | -0.5 |
| 3 | 61 | 59 | 2 |
| 4 | 62 | 62.5 | -0.5 |
Small residuals scattered on both sides of zero, with no curved pattern, suggest a linear model fits. If the residuals had run negative, then positive, then negative again, the data would be bending away from a line, perhaps toward an exponential.
Practice
Twelve problems we wrote, covering all six areas. Students searching for an Integrated Math 1 practice test can use these as a first check, then go to their own textbook's review.
| # | Area | Problem | Answer |
|---|---|---|---|
| 1 | Expressions | In C = 15 + 4h for a bike rental, what does 4 mean? | The cost added per hour |
| 2 | Functions | Domain of f(x) = 2x - 1 for x in {0, 1, 2}? Range? | Domain {0, 1, 2}; range {-1, 1, 3} |
| 3 | Functions | Does 2, 6, 18, 54 grow linearly or exponentially? | Exponentially, factor 3 |
| 4 | Functions | Average rate of change of f(x) = x^2 from x = 1 to x = 3? | 4 |
| 5 | Equations | Solve 5 - 2x > 11 | x < -3 |
| 6 | Equations | Solve 2^x = 32 | x = 5 |
| 7 | Systems | Solve y = 2x + 1 and y = -x + 7 | x = 2, y = 5 |
| 8 | Data | A residual is -3. Was the actual value above or below the line? | Below |
| 9 | Data | Correlation r = 0.95. Strong or weak? Direction? | Strong, positive |
| 10 | Congruence | Reflect (2, 1) across the y-axis | (-2, 1) |
| 11 | Congruence | Two sides and the included angle match. Which criterion? | SAS |
| 12 | Coordinates | Slope of a line perpendicular to y = 3x - 4? | -1/3 |
The calendar above is our own estimate for a school that follows Utah's unit order. Districts reorder units, so the teacher lines lessons up with your child's actual course map in the first week.
Integrated or traditional
Not quite. It covers much of Algebra 1 plus some geometry and statistics, and leaves quadratics for the next year. Utah's pathways chart lists what each integrated course carries.
| Course | Topics Utah lists |
|---|---|
| Secondary Math I | Linear and Exponential Functions; Congruence; Descriptive Statistics |
| Secondary Math I Plus (extended) | Adds Matrices and Vectors |
| Secondary Math II | Quadratic Functions; Similarity; Right Angle Trigonometry; Conditional Probability |
| Secondary Math III | Polynomial, Rational, and Radical Functions; Trigonometry; Logarithms; Data Collection and Analysis |
A student arriving after Algebra 1 usually knows quadratics already but may have missed congruence and descriptive statistics. Those units are where we start.
Utah notes that "Taking all three Extended courses is equivalent to taking Pre-Calculus", which matters for students aiming at calculus in grade 12.
A student leaving after Integrated Math I has seen congruence early but not quadratics. A short bridge on factoring and graphing parabolas usually closes the gap.
Ask the new school for its course map before the first week, so the bridge can start straight away.
The catalogue
Live courses for the grade before, the year itself and the two integrated years that follow.
IT / R / 01
Grade 8 functions.
Open the syllabusIT / R / 02
Sequences in Python.
Open the syllabusIT / R / 03
For extra challenge.
Open the syllabusIT / Y / 01
The algebra half.
Open the syllabusIT / Y / 02
Geometry units too.
Open the syllabusIT / Y / 03
For the data unit.
Open the syllabusIT / N / 01
After Integrated Math III.
Open the syllabusIT / N / 02
Linear and exponential models.
Open the syllabusIT / N / 03
Mixed algebra and geometry.
Open the syllabusHow lessons run
Weekdays or weekends, flexible: choose your batch, or for a very personalised plan choose 1-on-1 at your convenience, weekend mornings or weekdays.
Weekdays
After school, a step ahead of class.
Weekends
Catch-up on a missed unit.
1-on-1
For students switching pathway mid-year.
Lessons follow the district's unit order.
Every function seen three ways.
Each move in an equation explained.
Congruence through transformations.
Gaps closed for students who moved.
Fifteen to twenty, or private.
Student work
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Fees
We charge a monthly fee in US dollars and there is no fixed term, so a family can book help for a single hard unit or for the whole year.
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Questions families ask
Integrated Math I usually covers expressions and equations, linear and exponential functions, systems, linear models of data with residuals, triangle congruence through rigid motions, and coordinate geometry. Utah's Secondary Mathematics I sets these out in six critical areas.
No, though they overlap a great deal. Integrated Math I shares most of the Algebra 1 work on linear and exponential functions but adds geometry and statistics units, and leaves quadratics for Integrated Math II.
Not by design. Both follow the same Common Core high school standards in a different order. Students sometimes find it harder because the course switches between algebra and geometry within one year.
Most students take it in grade 9. Some take it in grade 8 as an accelerated course, and others begin in grade 10, depending on district placement.
Utah (Secondary Mathematics I to III) and North Carolina (NC Math 1 to 3) are two states whose documents we checked. Many districts in other states also offer an integrated pathway alongside or instead of Algebra 1, Geometry and Algebra 2.
Your child's textbook and teacher are the first place, since school tests follow them. This page has twelve practice problems we wrote, with answers. We do not reproduce state test items or publisher answer keys.
Usually congruence through transformations and descriptive statistics, and sometimes coordinate proofs. A few focused lessons on those units usually close the gap.
We go through the thinking with the student and check that their method is right, but we do not hand over answers to graded work. The aim is that they can do the next problem alone.
Weekdays or weekends, flexible: choose your batch, or for a very personalised plan choose 1-on-1 at your convenience, weekend mornings or weekdays.
No. Modern Age Coders is an independent online school, not affiliated with any state education department, district or publisher. We teach from the published standards and your school's course.
Elsewhere on this site
More help for grade 9 math and the courses around it.
For the traditional Algebra 1 route.
Congruence and proof in depth.
The usual Integrated Math I year.
The standards both pathways share.
How students are placed into grade 9 math.
How tutoring is usually priced.
Part of the guide: US math placement and college readiness tests
More guides: US state math tests by state · US gifted and selective school tests · Homeschool and school math curricula guide · US math and coding competitions guide
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