Expression Vocabulary

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 is a coefficient?

Back

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

Tags

CCSS.6.EE.A.2B

Front

What is a constant in mathematics?

Back

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

Tags

CCSS.6.EE.A.2B

Front

How do you simplify the expression 2(c - 8)?

Back

You distribute the 2 to get 2c - 16.

Tags

CCSS.6.EE.A.3

Front

What is a variable?

Back

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

Tags

CCSS.6.EE.A.2B

Front

How many terms are in the expression 5h + 3?

Back

There are 2 terms in the expression: 5h and 3.

Tags

CCSS.6.EE.A.2B

Front

What is the result of simplifying 5(a + 6)?

Back

The result is 5a + 30.

Tags

CCSS.6.EE.A.3

Front

What is a term in an expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both, separated by + or - signs.

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 numbers.

Tags

CCSS.6.EE.A.2C

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Tags

CCSS.L.6.6

CCSS.L.7.6

CCSS.L.8.6

CCSS.W.7.2D

CCSS.W.8.2D