Simplifying Polynomials with Algebra Tiles

Which of the following is an example of a concrete manipulative that can be used to represent algebraic expressions?

• Calculator

• Graph paper

• Ruler

• Algebra tiles

Look at the model. Simplify the expression it represents by adding like terms.

• 5x - 1

• 4x + 5

• 4x + 6

• 6x - 1

Look at the model. Simplify the expression it represents by adding like terms.

• -x + 3

• -3x + 6

• 3x + 6

• x - 3

Look at the model. Which of the following algebraic expressions could it represent?

• 3x + 4 + 2x + 1

• 7x + 3x

• 3x + 2x

• 4 + 1

Look at the model. Which of the following algebraic expressions could it represent?

• 2x + 5 + 4x + 4

• 2x + 3 + 4x + 3

• 3x + 3x

• 2 + 4

Look at the model. Which of the following algebraic expressions could it represent?

• 5x - 1 + 2x + 3

• 5x + 5 +2x + 3

• 5x + 1 + 2 + 3

• 5x - 1 + 2x + 3x

Look at the model. Which of the following algebraic expressions could it represent?

• 3x - 2 - 1 + 6

• 3x - 2 - 1 + 6x

• 3x - 2 - x + 6x

• 3x + 2x - x - 6

Look at the model. Which of the following algebraic expressions could it represent?

• 3x + 4 + 2 + 2 

• 3x + 4 + 2x + 2 - x - 1

• 3x - 4 + 2 - 2 -x

• 3x + 4 + 2 + 2  - 1 - 1

Look at the model. Which of the following algebraic expressions could it represent? 

• 2x + 1 + 5 + 2x

• 2 + 1x + 4x + 2

• 2 + 1 + 4 + 2

• 2 + x + 4 + 2x

Look at the model. Which of the following algebraic expressions could it represent?

• 9x

• 3x + 8

• -2 + 2 - x + 4

• -2 + 2x - x + 4