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**Algebraic Expressions**

Friday Algebraic Expressions

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**Objectives I will model algebraic expressions.**

I will replace a variable with a given value and then evaluate the answer. I will use the distributive property to rewrite an expression and simplify.

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**Write a variable expression for each model. Squares represent ones(1)**

Write a variable expression for each model. Squares represent ones(1). Rectangles represent a variable (x). 2. 1. 3.

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SPI Model algebraic expressions using algebra tiles.

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**SPI 0606.1.5 Model algebraic expressions using algebra tiles.**

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**Write an algebraic expression to represent this model.**

Answer: -3x +5

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**Evaluate each algebraic expression**

3m; where m = 9 4y + 6; where y = 6 2 (4e); where e = 5 3pq; where p=3 and q = 5 7n – (m + 18); where n = 4 and m = 10

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**Simplify each expression by combining like terms and complete all operations.**

2m m 5(2m • 2) + 8m

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**SPI 0606.3.4 Rewrite expressions to represent quantities in different ways.**

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**Simplify this expression and write the operations that were performed in each step.**

4 (m + 8) + 5m

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**Simplify this expression and write the operations that were performed in each step.**

4² (6n – 3n) + 85

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**Create your own expression for your partner to model/evaluate**

Create your own expression for your partner to model/evaluate. The partners will have to model it correctly and write the operation that was performed.

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Today You have learned how to evaluate and model algebraic expressions . You have reviewed, modeled, evaluated, and simplified expressions using the distributive model. You have used algebra tiles to model algebraic expressions. Give yourself a pat on the back!

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