Parts of Expressions

A combination of variables (letters) and numbers, and at least one operation

• Algebraic Expression

• Numerical Expression

• Base

the numerical factor of a term that contains a variable; the number directly in front of the variable

• Equation

• Expression

• Coeffcient

In a power, the number used as a factor

• base

• product

• addition

A term that does not contain a variable (hint: constantly alone)

• Base

• Constant

• Coefficient

A variable or combination of variables, numbers and symbols that represent a mathematical relationship; it does not have an equal sign

• Expression

• Equation

• Factor

a combination of numbers and operations, no equal sign

• Quantity

• Numerical Expression

When a plus or minus sign separates an algebraic expression into parts

• Product

• Term

• Expressions

A letter used to represent one or more numbers

• Equation

• Variable

• Constant

How many terms are in the algebraic expression?

2y + x + 4

• 4

• 3

• 5

• 2

Identify the variable in the expression 5y+7?

• x

• 5y

• y

• 7