Parts of Equations and Expressions

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as + and -) that represents a value but does not contain an equal sign.

Front

How many terms are in the expression 3a + 2b + c + 100?

Back

4

Front

What do you call each part of an expression that is separated by a + or a -?

Back

Term

Front

Define a term in the context of 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 -.

Front

How many terms are in the expression 4x + 5?

Back

2

Front

What is the difference between an expression and an equation?

Back

An expression does not contain an equal sign, while an equation does.

Front

What is a coefficient in an expression?

Back

A coefficient is a numerical factor that multiplies a variable in a term.

Front

In the expression 5x + 3y - 2, what are the coefficients?

Back

The coefficients are 5 and 3.

Front

What is a variable in an expression?

Back

A variable is a symbol (usually a letter) that represents an unknown value.

Front

What is the constant in the expression 7x + 4?

Back

The constant is 4.