| A | B |
|---|
| A _____ is a collection of numbers, variables and operations. | variable expression |
| Replacing a number for a letter is called ______. | substituting |
| An expression that uses words to represent a real-life situation is called a _______. | verbal model |
| A _____ is a letter that is used to represent one or more numbers. | variable |
| Add, Subtract, Multiply, and divide are all examples of _______. | operations |
| The ____ of a square or triangle is equal to the sum of the lengths of it's sides. | perimeter |
| The numbers are the _____ of the variable. | value |
| Replacing each variable in an expression by a number is called. | evaluating |
| Principal (money) multiplied by the rate multiplied by the time is the way you evaluate _____. | simple interest |
| The formula for _____ is distance divided by time. | average speed |
