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Math topic2
Variables,Expressions,and Properties
| Term | Definition |
|---|---|
| Algebraic expression | A mathematical phrase that has at least one variable and one operation |
| Associative Property of Addition | The way numbers are grouped does not affect the sum |
| Variable | A quantity that can change or vary , often represented with a letter |
| Input/output table | A table of related values |
| Coefficient | The number that is multiplied by variable in an algebraic expression .Example.For6*+5 the coefficient |
| Commutative Property of Multiplication | The order in which numbers are multiplied does not change the product of the numbers. |
| Commutative Property of Addition | The order in which numbers are added does not change the sum of the numbers. |
| Distributive Property | Multiply 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. |
| Substitution | To replace a variable with a number |
| Order of Operations | A set of rules mathematicians use to determine the order in which operations are performed. |
| Evaluate | To find the value of an expression |
| Identity Property of Addition | Adding zero to a number does not change the number |
| Identity Property of Multiplication | The product of a number and one is that number |
| Associative Property of Multiplication | The way numbers are grouped does not affect the product |