Evaluating Expressions with Algebra Tiles

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

• 6x + 3x

• 3x + 5

• 3x + 6

• 2x + 1

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

• -x + 3

• -3x + 6

• 3x + 6

• x - 3

What term is represented by the algebra tiles?

• 6

• -6

• 6x

• -6x²

What term is represented by the algebra tiles?

• 3

• -3

• -3x

• -3x²

Simplify.

• 5x + 6

• 11x

• 11

• 6 - 5x

Simplify.

• 5 + 3x

• 8x

• 8

• 3x + 5x

Which expression is shown here?

• 3x + 2 + 2x + 6

• 3x + 2x + 2x + 6x

• 3 + 2 + 2 + 3

What term is represented by the algebra tiles?

• 2x

• 2

• 2x²

• -2x²

To ____ an expression is to write a less complicated expression with the same value.  A ____ expression has no parentheses and no like terms.  For example, the expression 3−(2x+7)−4x may be ____ to −4−6x.  When working with algebra tiles, a ____ expression uses the fewest possible tiles to represent the original expression.

• Simplify

• Solve

• Answer

• Reduce

What is the expression represented by these algebra tiles?

• x² + -2x² + 4x + 3

• x² + -2x² + 4x + 2 + -1

• -3x² + 4x + 2 + -1

• x² + 4x + 2 + -1