Unit 6: Expressions Flashcard

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Tags

CCSS.6.EE.A.2B

Front

What are like terms?

Back

Like terms are terms that have the same variable raised to the same power. For example, 3x and 5x are like terms.

Tags

CCSS.6.EE.A.2B

Front

What is a coefficient?

Back

A coefficient is a numerical factor in a term of an expression. For example, in 3x, 3 is the coefficient.

Tags

CCSS.6.EE.A.2B

Front

What is a constant in an expression?

Back

A constant is a fixed value that does not change. For example, in the expression 4 + 3x, 4 is the constant.

Tags

CCSS.6.EE.A.2B

Front

How do you combine like terms?

Back

To combine like terms, add or subtract their coefficients while keeping the variable part the same. For example, 3x + 5x = 8x.

Tags

CCSS.7.EE.A.1

Front

What does it mean to simplify an expression?

Back

Simplifying an expression means to reduce it to its simplest form by combining like terms and eliminating unnecessary parts.

Tags

CCSS.7.EE.A.1

Front

What is the result of simplifying 3x - 5x?

Back

The result is -2x.

Tags

CCSS.7.EE.A.1

Front

Identify the coefficients in the expression 4 + 3x + 5x.

Back

The coefficients are 3 and 5.

Tags

CCSS.6.EE.A.2B

Front

What is the constant in the expression 4 + 3x + 5x?

Back

The constant is 4.

Tags

CCSS.6.EE.A.2B

Front

Simplify the expression: 5a + 2b - 3a + 4.

Back

The simplified expression is 2a + 2b + 4.

Tags

CCSS.7.EE.A.1