Comparing Expressions with Algebra Tiles

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

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

• 5x + 5

• 10x

• 7x + 3

• 10

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

• 2x + 10

• 5 + 7x

• 6x + 6

• 2 + 3 + 4 + 3

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. Simplify the expression it represents by adding like terms.

• 3x + 6

• 3x - 6

• 2x + 4

• 2x + 7

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.

• 4x + 5

• x + 2

• 2x + 7

• 4x + 5x

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

• 6x + 3x

• 3x + 5

• 3x + 6

• 2x + 1