Extend the properties of exponents to rational exponents High School | Students apply the rules of exponents to fractions like 1/2 or 2/3, which connects square roots and cube roots to exponential notation. This builds the foundation for working with radical expressions in algebra. | A2.N-RN.A |
Explain how the definition of the meaning of rational exponents follows from… High School | Rational exponents are another way to write roots. Students learn why an exponent like 1/2 means square root by applying the same exponent rules they already know to fractions. | A2.N-RN.A.1 |
Rewrite expressions involving radicals and rational exponents using the… High School | Rewriting radical expressions like square roots as fractional exponents, and vice versa, so both forms say the same thing. Students practice moving between these two notations to simplify and solve algebraic expressions. | A2.N-RN.A.2 |
Reason quantitatively and use units to solve problems High School | Students use units like miles per hour or dollars per pound to set up and solve real problems. Choosing the right unit is part of getting the right answer. | A2.N-Q.A |
Define appropriate quantities for the purpose of descriptive modeling High School | Students choose which numbers and units actually matter for a problem, like deciding whether to track time in seconds or hours when modeling a situation. Getting this right keeps the math connected to the real world. | A2.N-Q.A.2 |
Perform arithmetic operations with complex numbers High School | Students add, subtract, multiply, and divide numbers that include imaginary parts, like the square root of a negative number. This extends the arithmetic they already know into a broader number system used in advanced math and physics. | A2.N-CN.A |
Know there is a complex number i such that i² = −1 High School | Students learn that mathematicians invented a number called i, where i squared equals negative one. Every complex number is just a real number added to a real-number multiple of i, written as a + bi. | A2.N-CN.A.1 |
Use the relation i² = –1 and the commutative, associative High School | Students add, subtract, and multiply complex numbers (numbers that include an imaginary part) by applying familiar arithmetic rules and using the fact that i² equals negative one to simplify the result. | A2.N-CN.A.2 |
Use complex numbers in polynomial identities and equations High School | Students work with imaginary numbers (like the square root of negative one) to solve equations that have no real-number solution. This shows up when graphing parabolas that never cross the x-axis. | A2.N-CN.C |
Solve quadratic equations with real coefficients that have complex solutions High School | Quadratic equations don't always have neat whole-number answers. Students solve equations where the solutions involve imaginary numbers, which show up in engineering, physics, and other fields that use advanced math. | A2.N-CN.C.7 |
Interpret the structure of expressions High School | Reading an expression like 2(x + 3) squared, students identify what each part means and explain why the structure matters for solving or simplifying the problem. | A2.A-SSE.A |
Use the structure of an expression to identify ways to rewrite it High School | Students look at an algebraic expression and spot patterns that let them rewrite it in a simpler or more useful form, like recognizing that x⁴ minus 1 can be factored the same way x² minus 1 can. | A2.A-SSE.A.2 |
Write expressions in equivalent forms to solve problems High School | Students rewrite math expressions into different but equal forms to make a problem easier to solve, such as factoring or expanding an equation to reveal a hidden pattern or value. | A2.A-SSE.B |
Choose and produce an equivalent form of an expression to reveal and explain… High School | Rewriting an expression in a different form can make a hidden pattern visible. Students factor, expand, or rearrange algebraic expressions to show what the numbers actually mean, like spotting a maximum value or the rate of growth. | A2.A-SSE.B.3 |
Use the properties of exponents to transform expressions for exponential… High School | Students rewrite exponential expressions using exponent rules, for example turning a messy base and power into a cleaner equivalent form that makes a growth rate or pattern easier to read and work with. | A2.A-SSE.B.3.c |
Apply the formula for the sum of a finite geometric series High School | Students use a formula to find the total of a sequence where each term multiplies by the same number, like 2, 4, 8, 16. They apply it to real problems, such as calculating total savings when an amount grows by a fixed percentage each period. | A2.A-SSE.B.4 |
Understand the relationship between zeros and factors of polynomials High School | Students learn why a polynomial equals zero at certain inputs and how those inputs connect to the polynomial's factors. This is the algebra behind finding where a curve crosses the x-axis. | A2.A-APR.B |
Know and apply the Remainder Theorem High School | Students learn a shortcut for checking whether a polynomial has a certain factor: plug a number into the polynomial, and if the result is zero, that number reveals a factor. No long division needed. | A2.A-APR.B.2 |
Identify zeros of polynomials when suitable factorizations are available High School | Students find where a polynomial equation equals zero by factoring it, then use those points to sketch what the curve looks like on a graph. | A2.A-APR.B.3 |
Use polynomial identities to describe numerical relationships High School | Students use multiplication shortcuts like (a + b)² = a² + 2ab + b² to explain why certain number patterns always work. It's a way of proving numeric facts with algebra instead of checking each case by hand. | A2.A-APR.B.4 |
Rewrite rational expressions High School | Students simplify and rewrite fractions that contain polynomials, the way they would simplify a numeric fraction, including dividing one polynomial by another or breaking a complex expression into simpler parts. | A2.A-APR.C |
Rewrite simple rational expressions in different forms High School | Students divide one polynomial expression by another, the way long division works with whole numbers, to rewrite a fraction involving variables into a simpler usable form. | A2.A-APR.C.6 |
Create equations that describe numbers or relationships High School | Students write equations and inequalities to model real situations, like calculating a loan payment or figuring out when two quantities are equal. The goal is building an equation that actually fits the problem. | A2.A-CED.A |
Create equations and inequalities in one variable and use them to solve problems High School | Students write equations or inequalities with one unknown to solve real problems, such as finding when a savings account hits a target or when two rates break even. Problems can involve linear, quadratic, rational, or exponential relationships. | A2.A-CED.A.1 |
Understand solving equations as a process of reasoning and explain the… High School | Solving an equation is more than following steps. Students explain *why* each move is valid, showing the logic behind every change they make to both sides. | A2.A-REI.A |
Explain each step in solving an equation as following from the equality of… High School | Solving an equation is a chain of steps, and each step has to follow logically from the one before it. Students explain why each move is valid and can argue why their method works. | A2.A-REI.A.1 |
Solve simple rational and radical equations in one variable High School | Students solve equations that contain fractions with variables in the denominator, or square roots, and check whether their answers actually work. Some answers look correct but fail when plugged back in, so students learn to spot and discard those false solutions. | A2.A-REI.A.2 |
Solve equations and inequalities in one variable High School | Students solve equations and inequalities that contain one unknown, such as finding the value of x in a quadratic or working out which range of values satisfies an inequality. | A2.A-REI.B |
Solve quadratic equations in one variable High School | Students solve equations where a variable is squared, using methods like factoring or the quadratic formula to find the value (or values) of the unknown. | A2.A-REI.B.4 |
Solve quadratic equations by inspection High School | Students solve quadratic equations using the method that fits best, whether that means factoring, taking a square root, or applying the quadratic formula. When the formula produces no real solution, students write the answer using imaginary numbers in the form a ± bi. | A2.A-REI.B.4.b |
Solve systems of equations High School | Students solve two or more equations at once to find values that satisfy all of them together. This shows up in real problems like budgeting or comparing rates. | A2.A-REI.C |
Solve systems of linear equations exactly and approximately High School | Students solve two or three equations together to find the one set of values that satisfies all of them at once. They work it out by hand or by graphing where the lines cross. | A2.A-REI.C.6 |
Solve a simple system consisting of a linear equation and a quadratic equation… High School | Students solve problems where a straight line and a curved parabola meet on a graph, finding the exact points where both equations are true at once. They work it out both by hand and by graphing. | A2.A-REI.C.7 |
Represent and solve equations and inequalities graphically High School | Students graph equations and inequalities on a coordinate plane to find solutions visually. Instead of solving by hand, they read where lines or curves cross to answer the question. | A2.A-REI.D |
Explain why the x-coordinates of the points where the graphs of the equations y… High School | Where two graphs cross, the x-value at that crossing point solves the equation that sets those two functions equal. Students find those crossing points by graphing, building tables, or using a calculator. | A2.A-REI.D.11 |
Interpret functions that arise in applications in terms of the context High School | Students read a graph, table, or equation tied to a real situation and explain what the numbers and shape actually mean. For example, they describe what a peak or a drop on a graph tells you about the situation it models. | A2.F-IF.B |
For a function that models a relationship between two quantities, interpret key… High School | Students read a graph or table and explain what the highs, lows, and turning points actually mean for the situation being modeled. They also sketch a rough graph from a written description alone. | A2.F-IF.B.4 |
Calculate and interpret the average rate of change of a function High School | Students find how fast a function's output is rising or falling over a given interval, using an equation, a table, or a graph. It's the same idea as calculating average speed: how much did the value change, and over how long? | A2.F-IF.B.6 |
Analyze functions using different representations High School | Students read graphs, tables, and equations for the same function and explain what each one shows about how the function behaves, including where it rises, falls, or levels off. | A2.F-IF.C |
Graph functions expressed symbolically and show key features of the graph, by… High School | Students graph equations by hand or with a calculator and label the key features: where the curve peaks, dips, crosses zero, or levels off. | A2.F-IF.C.7 |
Graph square root, cube root High School | Students graph functions that bend, break, or change rules mid-way, including square roots, cube roots, absolute value, and step functions. They plot these by hand or with tools and read what the shape tells them about the math. | A2.F-IF.C.7.b |
Graph polynomial functions, identifying zeros when suitable factorizations are… High School | Students graph polynomial functions by finding where the curve crosses the x-axis and describing what happens to the curve at the far left and right ends. When the polynomial can be factored, students use those factors to pinpoint the exact crossing points. | A2.F-IF.C.7.c |
Graph exponential and logarithmic functions, showing intercepts and end behavior High School | Students graph curves like exponential growth, logarithms, and sine waves, marking where each curve crosses the axes, how high and low it swings, and what happens to it as the numbers get very large or very small. | A2.F-IF.C.7.e |
Write a function defined by an expression in different but equivalent forms to… High School | Students rewrite the same function in different algebraic forms to spotlight what each version shows clearly, like pulling out a vertex form to find a parabola's peak or factoring to find where a graph crosses zero. | A2.F-IF.C.8 |
Use the properties of exponents to interpret expressions for exponential… High School | Students read an exponential expression and explain what the base and exponent actually mean in context, such as recognizing a growth rate or a decay factor from the numbers in the formula. | A2.F-IF.C.8.b |
Compare properties of two functions each represented in a different way High School | Students look at two functions shown in different forms (one as an equation, another as a graph or table) and compare what each one does: where it peaks, where it crosses zero, and how fast it grows. | A2.F-IF.C.9 |
Build a function that models a relationship between two quantities High School | Students write or modify a function that captures how one real-world quantity changes in response to another, such as how total cost grows as hours increase. | A2.F-BF.A |
Write a function that describes a relationship between two quantities High School | Students write an equation that captures how two real quantities relate, such as how the price of a ticket changes with the number of seats sold. The goal is turning a real situation into a working formula. | A2.F-BF.A.1 |
Determine an explicit expression, a recursive process High School | Students read a real-world situation and write a formula or step-by-step rule that models it. The formula might describe something like a bank account growing each year or a pattern repeating in a sequence. | A2.F-BF.A.1.a |
Combine standard function types using arithmetic operations High School | Students add, subtract, multiply, or divide two functions to build a new one. For example, combining a linear and an exponential function creates a single rule that captures both behaviors. | A2.F-BF.A.1.b |
Write arithmetic and geometric sequences both recursively and with an explicit… High School | Students learn two ways to write number sequences that grow by adding or multiplying a fixed amount: a rule that uses each term to find the next, and a formula that jumps straight to any term. They practice switching between the two. | A2.F-BF.A.2 |
Build new functions from existing functions High School | Students take a function they already know and shift it, flip it, or stretch it to build a new one. This includes moving a graph up or sideways, reflecting it across an axis, or adjusting how steep or wide it looks. | A2.F-BF.B |
Identify the effect on the graph of replacing f High School | Students learn how shifting, stretching, or flipping a graph connects to a change in its equation. Given two graphs, students can find the exact value that caused the change. | A2.F-BF.B.3 |
Find inverse functions High School | Students find the inverse of a function by reversing its inputs and outputs, then check whether the inverse is also a function. This shows up when converting between units, decoding formulas, or working backward from a result. | A2.F-BF.B.4 |
Solve an equation of the form f High School | Students solve an equation like f(x) = 10 by working backwards to find x, then write that reverse process as a new function. It's the algebra behind "I know the output, what was the input?" | A2.F-BF.B.4.a |
Construct and compare linear, quadratic High School | Students build equations from real data to model situations where something grows steadily, speeds up, or multiplies over time. They compare those models to decide which one fits best and use it to solve problems. | A2.F-LE.A |
Given a graph, a description of a relationship High School | Students look at a graph, a table, or a description and write the equation that fits, whether it's a straight line or an exponential curve. Then they use that equation to solve a multi-step problem. | A2.F-LE.A.2 |
For exponential models, express as a logarithm the solution to a b<sup>ct</sup>… High School | Students solve equations where a number is raised to an unknown power, such as finding how long it takes a population to double. They rewrite the equation using a logarithm, then use a calculator to get the answer. | A2.F-LE.A.4 |
Interpret expressions for functions in terms of the situation they model High School | Students read a math formula and explain what each part means in real life, like identifying which number represents a starting amount or how fast something is growing. | A2.F-LE.B |
Interpret the parameters in a linear, quadratic High School | Reading a word problem and explaining what each number in a formula actually means in real life. Students connect the equation to the situation, so the numbers refer to prices, speeds, or populations rather than abstract variables. | A2.F-LE.B.5 |
Extend the domain of trigonometric functions using the unit circle High School | Students use a circle with radius 1 to define sine, cosine, and tangent for any angle, not just the acute angles that fit inside a right triangle. | A2.F-TF.A |
Understand radian measure of an angle as the length of the arc on the unit… High School | Radians are a way to measure angles by asking how far around a circle the angle reaches. Students learn that one radian equals the arc length on a circle with radius one, connecting angle size to actual distance traveled around that circle. | A2.F-TF.A.1 |
Explain how the unit circle in the coordinate plane enables the extension of… High School | The unit circle is a circle with radius 1 centered at the origin. Students use it to define sine and cosine for any angle, not just angles inside a right triangle, by reading the x and y coordinates of a point as it moves around the circle. | A2.F-TF.A.2 |
Model periodic phenomena with trigonometric functions High School | Students use sine and cosine functions to model real-world patterns that repeat, like tides, sound waves, or seasonal temperature shifts. They find the equation that fits the cycle. | A2.F-TF.B |
Choose trigonometric functions to model periodic phenomena with specified… High School | Students pick a sine or cosine function that matches a real pattern, like ocean tides or a spinning wheel, by setting the right height, speed of repetition, and center line. | A2.F-TF.B.5 |
Prove and apply trigonometric identities High School | Students verify and use equations that show how sine, cosine, and tangent relate to each other, such as sin²x + cos²x = 1. These relationships let students simplify expressions and solve problems without a calculator. | A2.F-TF.C |
Prove the Pythagorean identity sin² High School | Students learn why sin²(θ) + cos²(θ) always equals 1, then use that relationship to find a missing sine, cosine, or tangent value when one ratio and the angle's quadrant are known. | A2.F-TF.C.8 |
Summarize, represent High School | Students organize and display data from a single category, like test scores or heights, then explain what patterns or outliers the data show. | A2.S-ID.A |
Use the mean and standard deviation of a data set to fit it to a normal… High School | Students use the average and spread of a data set to figure out what percentage of a population falls above, below, or between certain values on a bell curve. They also learn to spot when that bell-curve method does not fit the data. | A2.S-ID.A.4 |
Summarize, represent High School | Students look at two sets of data together, such as test scores and study time, to spot patterns or relationships. They organize that information into tables or graphs and explain what the connection means. | A2.S-ID.B |
Represent data on two quantitative variables on a scatter plot High School | Students plot two sets of numbers on a graph and explain the pattern they see. For example, they might chart hours of sleep against test scores and describe whether more sleep tends to mean higher scores. | A2.S-ID.B.6 |
Fit a function to the data High School | Students fit a line or curve to real data points on a graph, then use that equation to answer questions. For example, they might predict next year's sales or estimate a missing value based on the pattern they found. | A2.S-ID.B.6.a |
Understand and evaluate random processes underlying statistical experiments High School | Students learn to judge whether a study's results are trustworthy by examining how data was collected. They look at whether random chance explains the outcome or whether the results point to something real. | A2.S-IC.A |
Understand statistics as a process for making inferences to be made about… High School | Statistics is how we draw conclusions about a large group by studying a smaller random sample. Students learn why the sample has to be chosen randomly and what that randomness makes possible. | A2.S-IC.A.1 |
Decide if a specified model is consistent with results from a given… High School | Students check whether a math model actually matches real data by running simulations and comparing the results. If the model's predictions don't line up with what the data shows, the model needs adjusting. | A2.S-IC.A.2 |
Make inferences and justify conclusions from sample surveys, experiments High School | Students look at data from surveys, experiments, and real-world observations, then draw conclusions and explain why those conclusions hold up. | A2.S-IC.B |
Recognize the purposes of and differences among sample surveys, experiments High School | Students learn when to use a survey, an experiment, or an observation study to answer a question, and why random selection matters in each case. | A2.S-IC.B.3 |
Use data from a sample survey to estimate a population mean or proportion High School | Students use survey data to estimate facts about a larger group, like the average or a percentage. Then they run simulations to figure out how far off that estimate might be. | A2.S-IC.B.4 |
Use data from a randomized experiment to compare two treatments High School | Students run experiments or simulations to compare two groups, then decide whether the difference in results is real or just random chance. | A2.S-IC.B.5 |
Evaluate reports based on data High School | Students read charts, graphs, or news headlines that cite data and decide whether the numbers actually support the conclusion being made. | A2.S-IC.B.6 |