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Algebraic Expressions

Friday. Algebraic Expressions. 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. Objectives.

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Algebraic Expressions

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  1. Friday Algebraic Expressions

  2. 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. Objectives

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

  4. SPI 0606.1.5 Model algebraic expressions using algebra tiles.

  5. SPI 0606.1.5 Model algebraic expressions using algebra tiles.

  6. Write an algebraic expression to represent this model. Answer: -3x +5

  7. 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

  8. Simplify each expression by combining like terms and complete all operations. • 2m+ 8 + 12 +5m • 5(2m • 2) + 8m

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

  10. Simplify this expression and write the operations that were performed in each step. 4 (m + 8) + 5m

  11. Simplify this expression and write the operations that were performed in each step. 4² (6n – 3n) + 85

  12. 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.

  13. 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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