Evaluating Expressions Vocabulary

an expression that contains numbers, operations, and variables

• numerical expression

• equation

• algebraic expression

Choose the definition of:

expression

• to solve a problem

• A mathematical phrase that contains operations, numbers, and/or variables. A group of terms that is separated by operations. Example: In "4x - 7 = 5", 4x - 7 is the _________.

• to take the place of

• use values (numbers) for letters

Choose the definition of:

substitution

• A number used to multiply a variable (letter). In "4x - 7", 4 is a ______. 4 is multiplied times "x" in 4x.

• the amount of money paid for each hour of work

• to solve a problem

• use values (numbers) for letters

Find the value, or solution, of an expression.

• Coefficient

• Term

• Constant

• Evaluate

Find the value of the expression.

• -12

• 12

• 14

• -14

Evaluate expression: 5a + b for a= 6 and b= 3

• 33

• 36

• 30

• 59

To find the value of a numerical or algebraic expression.

• order of operations

• algebraic expression

• equivalent expressions

• evaluating 

a set of rules that determines the correct sequence for evaluating expressions

• exponent

• expressions

• order of operations

• multiply

a letter or symbol used to represent a number

• variable

• term

• constant

• coefficient

What is a mathematical phrase that contains operations, numbers, and/or variables?

• expression

• equation

• solve 

• order