click below
click below
Normal Size Small Size show me how
Math Topic 2
Variable, Expressions, and Properties
| Term | Definition |
|---|---|
| Identity Property of Addition | Adding zero to a number does not change the number |
| Associative Property of Multiplication | The way numbers are grouped does not affect the product |
| Distributive Property | Multiplying a sum (or difference) by a number gives the same result as multiplying each number in the sum (or difference) by the number and adding (or subtracting) the products |
| Evaluate | To find the value of an expression |
| Order of operations | a set of rules mathematicians use to determine the order in which operations are performed |
| Identity property of multiplication | The product of a number and one is that number |
| Substitution | To replace a variable with a number |
| Commutative Property of Addition | The order in which numbers are added does not change the sum of the numbers |
| Commutative Property of Multiplication | The order in which numbers are multiplied does not change the product of the numbers |
| Input/output table | A table of related values |
| Coefficient | The number that is multiplied by a variable in algebraic expression Example: For 6x + 5 the coefficient is 6 |
| Associative Property of Addition | The way numbers are grouped does not affect the sum |
| Algebraic Expression | A mathematical phrase that has at least one variable and one operation |
| Variable | A quantity that can change or vary often represented with a letter |