Adding Polynomials Using Algebra Tiles

What expression matches the model above?

• 4x+6

• 2x+3

• -4x-6

• -2x-3

What COULD be the first step in solving this specific problem? (white tiles are negative, dark tiles are positive)

• Remove zero pairs

• Flip everything from the opposite region to the positive

• Remove the SAME tile from opposite regions

• Divide tiles into EQUAL groups

Write the perimeter of the tiles in simplest form.

• 4x + 4

• 3x + 4

• 3x + 3

• 4x + 5

Write the perimeter of the tiles in simplest form.

• 2x + 6

• 4x + 8

• 4x + 4

• 2x + 8

Which diagram is the result?

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Which diagram is the result?

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Write the perimeter of the tiles in simplest form.

• 2x + 3

• x + 4

• 2x + 4

• x + 3

Look at the model. Which of the following algebraic expressions could it represent?

• 3x + 4 + 2x + 1

• 7x + 3x

• 3x + 2x

• 4 + 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

• A
• B
• C
• D