Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 5 is an algebraic expression.

Tags

CCSS.6.EE.A.2B

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with given numbers.

Tags

CCSS.6.EE.A.2C

Front

What are like terms?

Back

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

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, 11g - 9g + 8g = (11 - 9 + 8)g = 10g.

Tags

CCSS.7.EE.A.1

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a single term by two or more terms inside a set of parentheses.

Tags

CCSS.6.EE.A.3

Front

Evaluate the expression: 5x + 3 when x = 2.

Back

5(2) + 3 = 10 + 3 = 13.

Tags

CCSS.6.EE.A.2C

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable. In 4x, 4 is the coefficient.

Tags

CCSS.6.EE.A.2B

Front

What is a variable in an algebraic expression?

Back

A variable is a symbol, usually a letter, that represents an unknown value. For example, in the expression 2y + 3, y is the variable.

Tags

CCSS.6.EE.A.2B

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by combining like terms and performing any operations.

Tags

CCSS.7.EE.A.1

Front

Evaluate the expression: 3m - 5t when m = 7 and t = 2.

Back

3(7) - 5(2) = 21 - 10 = 11.

Tags

CCSS.6.EE.A.2C