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      <title>IM1- Unit 3- Reasoning with Equations  by Erica Campos</title>
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      <language>en-us</language>
      <pubDate>2017-07-16 00:56:13 UTC</pubDate>
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         <title>Standards</title>
         <author>camposroom104</author>
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         <description><![CDATA[<div>PRIORITY:<br>A.REI.6​ Solve systems of linear equations exactly and approximately (e.g., with graphs),<br>focusing on pairs of linear equations in two variables.<br><br>A.REI.12​ Graph the solutions to a linear inequality in two variables as a half-plane (excluding the boundary in the case of a strict inequality), and graph the solution set to a system of linear<br>inequalities in two variables as the intersection of the corresponding half-planes.<br><br>SUPPORTING:<br>A.REI.1​ Explain each step in solving a simple equation as following from the equality of numbers asserted at the previous step, starting from the assumption that the original equation has a solution. Construct a viable argument to justify a solution method.<br><br>A.REI.3​ Solve linear equations and inequalities in one variable, including equations with<br>coefficients represented by letters.<br><br>A.REI.5​ Prove that, given a system of two equations in two variables, replacing one equation by<br>the sum of that equation and a multiple of the other produces a system with the same<br>solutions.<br><br>A.REI.11​ Explain why the x-coordinates of the points where the graphs of the equations y = f(x)<br>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,<br>absolute value, exponential, and logarithmic functions.★</div>]]></description>
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         <pubDate>2017-07-16 05:39:20 UTC</pubDate>
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         <title>Essential Questions</title>
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         <description><![CDATA[<ul><li>How can the structure of an equation or inequality help determine a solution strategy?</li><li>How can systems of equations be used to represent situations and solve problems?</li><li>How do I compare and choose an appropriate method for solving a system of linear equations?</li></ul>]]></description>
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         <pubDate>2017-07-16 05:39:27 UTC</pubDate>
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         <title>Learning Objectives</title>
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         <description><![CDATA[<ul><li>Understand solving equations as a process of reasoning and explain the reasoning.</li><li>Solve equations in one variable.</li><li>Graph linear equations and inequalities.</li><li>Solve systems of equations exactly (algebra) and approximately (graphing).</li><li>Graph the solution set to a system of linear inequalities.</li><li>Solve systems of equations graphically by interpreting the point of intersection (include linear, absolute value and exponential functions).</li></ul>]]></description>
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         <pubDate>2017-07-16 05:39:36 UTC</pubDate>
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         <title>Tier 2</title>
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         <description><![CDATA[<div>Justify<br>Isolate<br>Evaluate<br>Substitute<br>Constants<br>Variable<br>Justification<br>Context</div>]]></description>
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         <pubDate>2017-07-19 04:07:21 UTC</pubDate>
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         <title>Tier 3</title>
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         <description><![CDATA[<div>Term<br>Like Terms<br>Distributive Property<br>Equations<br>Inequalities<br>Operations<br>Integers<br>Power<br>Base<br>Exponent<br>Expression<br>Coefficients<br>Linear system<br>Solution set<br>Consistent<br>Inconsistent<br>equivalency<br>Elimination/addition method<br>Substitution method</div>]]></description>
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         <pubDate>2017-07-19 04:07:24 UTC</pubDate>
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         <description><![CDATA[<h1>Solutions of systems of equations</h1>]]></description>
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