PSSA Chapter 3 Vocabulary Math 7

A number, variable, or a number and a variable connected by multiplication

• constant

• term

• coefficient

A mathematical sentence that has numbers and operations

• expression

• variable expression

• numerical expression

When an expression has no parentheses or grouping and no like terms that are not combined, it is said to be:

• simplified

• numerical expressions

• like terms

A mathematical sentence that has at least one variable; it could have a number and an operation

• numerical expression

• variable expression

• expression

Terms that have identical (same) variable parts

• like terms

• unlike terms

• expression

Two or more terms connected by addition/subtraction

• variable expression

• numerical expression

• expression

A number that does not have a variable connected to it by multiplication

• term

• constant

• coefficient

The number in a term that is connected to the variable by multiplication

• coefficient

• term

• constant

If an expression is simplified, there will be no parentheses or grouping and no like terms that are not combined

• True

• False

Terms that do not have identical (same) variable parts

• like terms

• unlike terms

• expression