See this blog posting for context.
Every time you refresh this page, you might get two topics from two different curriculum documents, as aligned by the current model. An effort to find a close training pair is done, if effective, the pair is also shown, together with metadata about how the pair was annotated. A permalink at the bottom allows to retrieve the exact page for later archival, discussion and comparison. Refresh the pair for another pair.
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Curriculum: Khan Academy Curriculum Content for MAP Accelerator Operations and Algebraic Thinking 228-230 Solving equations with one unknown Number of solutions to equations | Curriculum: Common Core State Standards for Mathematics Grade 8 Expressions and Equations Analyze and solve linear equations and pairs of simultaneous linear equations. Solve linear equations in one variable. Solve linear equations with rational number coefficients, including equations whose solutions require expanding expressions using the distributive property and collecting like terms. |
| REASON | Curriculum: Khan Academy Curriculum Math 8th grade Systems of equations Systems of equations with graphing | Curriculum: Common Core State Standards for Mathematics High School — Algebra Reasoning with Equations and Inequalities Represent and solve equations and inequalities graphically Explain why the x-coordinates of the points where the graphs of the equations y = f(x) and y = g(x) intersect are the solutions of the equation f(x) = g(x); find the solutions approximately, e.g., using technology to graph the functions, make tables of values, or find successive approximations. Include cases where f(x) and/or g(x) are linear, polynomial, rational, absolute value, exponential, and logarithmic functions. |
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