Parts of An Expression

Front

What is a coefficient in an expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression. For example, in the expression 4m, 4 is the coefficient.

Front

Identify the coefficient in the expression 4m + n + 2.

Back

4

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 addition or subtraction.

Front

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

Back

4

Front

What is a constant in an expression?

Back

A constant is a fixed value that does not change. For example, in the expression 3x + 2y + 7, 7 is a constant.

Front

Identify a constant in the expression 3x + 2y + 7.

Back

7

Front

Which term contains a coefficient in the expression m + 3n + p + 3?

Back

3n

Front

How is the number 9 best described in the expression 9m + 3n + 4?

Back

coefficient

Front

What is a variable in an expression?

Back

A variable is a symbol, usually a letter, that represents an unknown value in an expression. For example, in the expression 4x, x is the variable.

Front

What is the difference between a term and an expression?

Back

A term is a single part of an expression, while an expression is a combination of one or more terms.