Combining Like Terms using Algebra Tiles

Front

What are like terms in algebra?

Back

Like terms are terms that have the same variable raised to the same power. For example, 3x and 5x are like terms, while 3x and 4y are not.

Tags

CCSS.6.EE.A.2B

Front

How do you combine like terms?

Back

To combine like terms, add or subtract the coefficients of the terms that are alike. For example, 3x + 5x = (3 + 5)x = 8x.

Tags

CCSS.7.EE.A.1

Front

What is the perimeter of a rectangle?

Back

The perimeter of a rectangle is calculated by adding the lengths of all sides, or using the formula P = 2(length + width).

Tags

CCSS.4.MD.A.3

Front

If a rectangle has a length of 3x and a width of 2, what is its perimeter?

Back

P = 2(3x + 2) = 6x + 4.

Tags

CCSS.7.EE.A.1

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

Tags

CCSS.7.EE.A.1

Front

What is the perimeter of tiles represented by the expression x^2 + 4x + 1?

Back

The perimeter is already in its simplest form: x^2 + 4x + 1.

Tags

CCSS.7.EE.A.1

Front

What is the perimeter of tiles represented by the expression 4x + 4?

Back

The perimeter is already in its simplest form: 4x + 4.

Tags

CCSS.7.EE.A.1

Front

What is the perimeter of tiles represented by the expression 4x + 6?

Back

The perimeter is already in its simplest form: 4x + 6.

Tags

CCSS.7.EE.A.1

Front

What is the perimeter of tiles represented by the expression 2x + 8?

Back

The perimeter is already in its simplest form: 2x + 8.

Tags

CCSS.7.EE.A.1

Front

What is the formula for the perimeter of a square?

Back

The perimeter of a square is P = 4s, where s is the length of one side.

Tags

CCSS.4.MD.A.3