Algebraic Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that includes numbers, variables, and operations (such as addition, subtraction, multiplication, and division).

Tags

CCSS.6.EE.A.2B

Front

What is a variable in algebra?

Back

A variable is a symbol (usually a letter) that represents an unknown value in an algebraic expression or equation.

Tags

CCSS.6.EE.A.2B

Front

What is a coefficient?

Back

A coefficient is a numerical factor in a term of an algebraic expression. For example, in 5x, 5 is the coefficient.

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 are unlike terms?

Back

Unlike terms are terms that have different variables or different powers of the same variable. For example, 3x and 4y are unlike terms.

Tags

CCSS.6.EE.A.2B

Front

How do you simplify the expression 11z - 12z?

Back

To simplify, combine like terms: 11z - 12z = -1z or -z.

Tags

CCSS.7.EE.A.1

Front

What is the literal coefficient of the term 567817xy?

Back

The literal coefficient is the variable part of the term, which is xy.

Tags

CCSS.6.EE.A.2B

Front

Evaluate the expression 11m when m = 10.

Back

11m = 11 * 10 = 110.

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CCSS.6.EE.A.2C

Front

What is the result of the expression 30 - z when z = 31?

Back

30 - z = 30 - 31 = -1.

Tags

CCSS.6.EE.A.2C

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers and variables without an equality sign, while an equation states that two expressions are equal.