Identify parts of an expression

Front

What is a constant in an expression?

Back

A constant is a fixed value that does not change, represented by a number in an expression.

Front

How many constants are in the expression 5b + 3 - 4k + 6?

Back

There are 2 constants: 3 and 6.

Front

What is a coefficient in an expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression.

Front

Identify the coefficient in the expression 3x + 4 - 2.

Back

The coefficient is 3.

Front

What is a variable in mathematics?

Back

A variable is a letter or symbol that represents an unknown number.

Front

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

Back

Each part is called a term.

Front

What is the role of coefficients in expressions?

Back

Coefficients indicate how many times to multiply the variable.

Front

In the expression 7y, what operation is implied between the coefficient and the variable?

Back

The operation implied is multiplication.

Front

What is the difference between a term and an expression?

Back

A term is a single mathematical entity (number, variable, or the product of both), while an expression is a combination of terms.

Front

How do you identify the number of terms in the expression 2x + 3y - 5?

Back

Count the parts separated by + or - signs; there are 3 terms.