Changes to Illustrative Math Algebra 1 - Back to school 2025
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Mastery impact
Illustrative Mathematics Algebra 1 had an increase in total # of skills. This can lower a student's current mastery percentage.
| Prior # skills | Current # skills | Max mastery% decrease | |
| Illustrative Mathematics Algebra 1 | 160 | 162 | 1.2 |
Course deletions/additions
The following additions and deletions were made to the Illustrative Mathematics Algebra 1 course in the Summer of 2025.
Deletions
| Type | Title |
| Video | Solutions to systems of equations: consistent vs. inconsistent |
| Video | Exponent properties with parentheses |
| Video | Statistics intro: Mean, median, & mode |
| Video | Exponent properties with quotients |
| Video | Solutions to systems of equations: dependent vs. independent |
| Video | Graphing quadratics in factored form |
| Video | Worked example: evaluating expressions with function notation |
| Video | How many solutions does a system of linear equations have if there are at least two? |
| Video | Exponent properties with products |
| Video | Number of solutions to a system of equations graphically |
| Video | Mean, median, & mode example |
| Video | Graphing quadratics: standard form |
| Exercise | Evaluate function expressions |
| Exercise | Calculating the median |
| Exercise | Multiply powers |
| Exercise | Calculating the median: data displays |
| Exercise | Graph quadratics in standard form |
| Exercise | Completing the square |
| Exercise | Powers of products & quotients |
| Exercise | Powers of powers |
| Exercise | Graph quadratics in factored form |
| Exercise | Divide powers |
| Exercise | Calculating the mean |
| Exercise | Calculating the mean: data displays |
| Article | Alignment crosswalk: Algebra 1 (Illustrative Mathematics) |
| Article | Calculating the mean |
| Article | Factoring simple quadratics review |
Additions
| Type | Title |
| Video | Compound interest introduction |
| Video | Writing equations for relationships between quantities |
| Video | Inequalities word problems |
| Video | Quadratic equations word problem: triangle dimensions |
| Video | Interpreting nonlinear expressions — Basic example |
| Video | Modeling with linear equations: gym membership & lemonade |
| Video | Comparing growth of exponential & quadratic models |
| Video | Manipulating formulas: temperature |
| Video | Inequalities word problems |
| Video | How parameters change as data is shifted and scaled |
| Video | Analyzing relationships between variables |
| Video | Exponential growth & decay word problems |
| Video | Manipulating formulas: temperature |
| Exercise | Center, spread, and shape of distributions: advanced |
| Exercise | Relationships between quantities in equations |
| Exercise | Analyze data to model functions |
| Exercise | Analyze relationships between variables |
| Exercise | Manipulate formulas |
| Exercise | Writing linear functions word problems |
| Exercise | Write exponential functions to predict real-world data |
| Exercise | Number of solutions of quadratic equations |
| Exercise | Rewrite a quadratic function from vertex form to standard form |
| Exercise | Center, spread, and shape of distributions: medium |
| Exercise | Inequalities word problems |
| Exercise | Simple and compound interest |
| Exercise | Graphing linear relationships word problems |
| Exercise | Comparing data distributions |
| Exercise | Comparing center and spread |
| Article | Finding unknown inputs |
| Article | Modeling with systems of inequalities in two variables |
| Article | Changes over equal intervals |
| Article | Spreadsheet computations (optional) |
| Article | Mean absolute deviation (MAD) review |
| Article | More standard deviation |
| Article | Computing basic statistics |
| Article | Completing the square (part 2) |
| Article | Quadratic formula proof review |
| Article | Exponential situations as functions |
| Article | Spreadsheet shortcuts (optional) |
| Article | Finding patterns in data sets |
| Article | Discriminant review |
| Article | Solutions to inequalities in one variable |
| Article | When and why do we write quadratic equations? |
| Article | Different compounding intervals |
| Article | Looking at rates of change |
| Article | Recalling percent change (optional) |
| Article | Standard form review |
| Article | Equivalent equations |
| Article | Graphs of functions in standard and factored forms |
| Article | Building quadratic functions from geometric patterns |
| Article | Growing and growing |
| Article | Comparing graphs |
| Article | Graphing from the factored form |
| Article | Interpreting exponential functions |
| Article | Graphing the standard form (part 2) (optional) |
| Article | Building quadratic functions to describe situations (part 1) |
| Article | Graphing the standard form (part 1) |
| Article | Domain and range (part 2) |
| Article | Compound growth |
| Article | Absolute value functions (part 1) |
| Article | Fitting lines |
| Article | Correlation coefficient review |
| Article | Reasoning about exponential graphs (part 1) |