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A. Relationships of the Operations
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The Relationships of Addition
and Subtraction
► Lesson 1 | Lesson Instruction 1-2
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The Relationship of Multiplication
and Division
► Lesson 2 | Additional Lesson 2
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The Relationship of Multiplication
and Addition
► Lesson 3 | Lesson Instruction
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The Relationships of Division
and Subtraction
► Lesson 4 | Lesson Instruction
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B. Special Notations of Operations
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Exponents
► Lesson 5 | Lesson Instruction
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The Order of Operations
► Lesson 6 | Lesson Instruction
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C. Replacing Letters and Numbers
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Replacing Letters with Numbers
► Lesson 7 | Lesson Instruction
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Replacing Numbers with Letters
► Lesson 8 | Lesson Instruction
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D. Expanding, Factoring, and Distributing Expressions
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Writing Addition and Subtraction
Expressions
► Lesson 9 | Lesson Instruction
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Writing and Expanding Multiplication
Expressions
► Lesson 10 | Lesson Instruction
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Factoring Expressions
► Lesson 11 | Lesson Instruction
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Distributing Expressions
► Lesson 12 | Lesson Instruction
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Writing Division Expressions
► Lesson 13 | Lesson Instruction
► Lesson 14 | Lesson Instruction
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| E. Expressing Operations in Algebraic Form |
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Read Expressions in Which Letters
Stand for Numbers
► Lesson 15 | Lesson Instruction
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Write Expressions in Which Letters
Stand for Numbers
► Lesson 16 | Lesson Instruction
► Lesson 17 | Lesson Instruction
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| F. Writing and Evaluating Expressions and Formulas |
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Writing and Evaluating Expressions—
Addition and Subtraction
► Lesson 18 | Lesson Instruction
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Substituting to Evaluate Addition
and Subtraction Expressions
► Lesson 19 | Lesson Instruction
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Writing and Evaluating Expressions—
Multiplication and Division
► Lesson 20 | Lesson Instruction
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Writing and Evaluating Expressions—
Multiplication and Addition
► Lesson 21 | Lesson Instruction
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Writing and Evaluating Expressions—
Exponents
► Lesson 22 | Lesson Instruction
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| G. Solving Equations |
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True and False Number Sentences
► Lesson 23 | Lesson Instruction
► Lesson 24 | Lesson Instruction
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Finding Solutions to Make Equations
True
► Lesson 25 | Lesson Instruction
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One-Step Equations—Addition and
Subtraction
► Lesson 26 | Lesson Instruction
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One-Step Equations—Multiplication
and Division
► Lesson 27 | Lesson Instruction
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Two-Step Problems—All Operations
► Lesson 28 | Lesson Instruction
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Multi-Step Problems—All Operations
► Lesson 29 | Lesson Instruction
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| H. Applications of Equations |
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One-Step Problems in the Real-World
► Lesson 30 | Lesson Instruction
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Problems in Mathematical Terms
► Lesson 31 | Lesson Instruction
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Multi-Step Problems in the Real-World
► Lesson 32 | Lesson Instruction
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From Equations to Inequalities
► Lesson 33 | Lesson Instruction
► Additional Resources
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Writing and Graphing Inequalities
in Real-World Problems
► Lesson 34 | Lesson Instruction
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