Expressions Using Algebra Tiles

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?

• 3x + 4 + 2x + 1

• 7x + 3x

• 3x + 2x

• 4 + 1

After cancelling positives with negatives, what is left?

• x²

• 3x²

• -x²

• -3x²

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

What term is represented by the algebra tiles?

• 3

• -3

• -3x

• -3x²

What term is represented by the algebra tiles?

• 2x

• 2

• 2x²

• -2x²

Simplify the following

• 5 + 3x

• 8x

• 8

• 3x + 5x