Evaluating Expressions with Algebra Tiles

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. Simplify the expression it represents by adding like terms.

• 5x + 2x
• 7x + 2
• 7x + 3
• 5x + 5

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

• 3x - 2 - 1 + 6

• 3x - 2 - 1 + 6x

• 3x - 2 - x + 6

• 3x + 2x - x - 6

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

• 3x + 6
• 3x - 6
• 2x + 4
• 2x + 7

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. Simplify the expression it represents by adding like terms.

• 5x - 1
• 4x + 5
• 4x + 6
• 6x - 1

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

• 9x
• 3x + 8
• -2 + 2 - x + 4
• -2 + 2x - x + 4

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

• 4x + 5
• x + 2
• 2x + 7
• 4x + 5x

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

• -3 + 3x + 6 + 4x
• -3 + 3x + 6 - 4x
• -3 + 3x + 6x - 4x
• -3 + 2x + 6 + 4