Grade+6+Domain+3+Cluster+2

=Grade 6 Domain 3: Expressions and Equations= =Cluster 2: Reason about and solve one-variable equations and inequalities=

===5. Understand solving an equation or inequality as a process of answering a question: which values from a specified set, if any, make the equation or inequality true? Use substitution to determine whether a given number in a specified set makes an equation or inequality true.===

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External Resources:
 * //Houghton Mifflin Math Grade 6//, Chapter ?
 * XP Math [|Circle Addition Equation] Game

===6. Use variables to represent numbers and write expressions when solving a real-world or mathematical problem; understand that a variable can represent an unknown number, or, depending on the purpose at hand, any number is a specified set.===

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External Resources:
 * //Houghton Mifflin Math Grade 6//, Chapter ?

7. Solve real-world and mathematical problems by writing and solving equations of the form x + p = q and px = q for cases in which p, q, and x are all nonnegative rational numbers.
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External Resources:
 * //Houghton Mifflin Math Grade 6//, Chapter ?

===8. Write an inequality of the form x > c or x < c to represent a constraint or condition in a real-world or mathematical problem. Recognize that inequalities of the form x > c or x < c have infinitely many solutions; represent solutions of such inequalities on number line diagrams.===

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External Resources:
 * //Houghton Mifflin Math Grade 6//, Chapter ?