Modeling Expressions with Algebra Tiles

Which algebraic expression matches the model?

What is a reasonable next step for this model?

• Move all of the positive "baby one" tiles to the left side and make them negative.

• Move all the negative "baby one" tiles to the left side and make them positive.

• Match each positive and negative "baby one" and make zero pairs.

• Move all positive and negative "baby one" tiles to the left and switch their sign.

What would be the first step to solve this equation mat?

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Look at the model. Write an algebraic expression to represent this model.

• 2x + 2

• 5x - 2

• 6x - 8

• -5x - 4

Using the key, which expression translates the model?

What expression matches the model above?

• 4x+6

• 2x+3

• -4x-6

• -2x-3

Using the key, which expression shows the model after its been simplified by combining like terms?

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What term is represented by the algebra tiles?

• 3

• -3

• 3x

• 3x²

What term is represented by the algebra tiles?

• 3

• -3

• -3x

• -3x²

After cancelling positives with negatives, what is left?

• x²

• 3x²

• -x²

• -3x²