Expressions With Algebra Tiles

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

What is the simplified expression represented by the algebra tiles shown?

• 3x + 5

• x + 4

• -2x + -1

• 3x + -2x + 5 + -1

Which of the following represents the simplified expression for the left side (Mat A) in the comparison mat shown?

HINT: You may want to draw it out or make a table.

• 2x + 3

• 3x + -x + 4 + -1

• 4x + 4 + -1

• 2x + 4 + -1

Which of the following represents the simplified expression for the right side (Mat B) in the comparison mat shown?

HINT: You may want to draw it out or make a table.

• -2x + x + 1 + -1

• -2x

• x + 3

• -x

What expression does this diagram represent?

Mathematical Equivalence

OFF

What expression does this diagram represent?

Mathematical Equivalence

OFF

What expression does this diagram represent?

Mathematical Equivalence

OFF

What expression does this diagram represent?

Mathematical Equivalence

OFF

Which of the following steps can you do to simplify the expressions shown in the comparison mat?

• remove zero pairs on both sides

• remove -x from both sides

• remove 1 from both sides

• add an x to the right side

What is the value of the algebra tiles shown after simplifying?

• 2x² + -1

• 2x² + x + 1

• 3x² + -1

• 2x² + 1