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Mat topic 2
Variables,Expressions,Properties
| Term | Definition |
|---|---|
| Identity property of Multiplication | The product of a number and one is that number. |
| Identity property of addition | Adding zero to a number does not change the number. |
| Evaluate | To find the value of an expression. |
| Substitution | To replace a variable with number. |
| 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. |
| Associative property of multiplication | The way numbers are grouped does not affect the product. |
| Order of operations | A set of rules mathematicians use to determine the order in which operations are performed. |
| Input/output table | A table of related values. |
| Variable | A quantity that can change or vary, often represented with a letter. |
| Coefficient | The number that is multiplied by a variable in an algebraic expression .EX. For 6X + 5, the coefficient is 6. |
| Associative property of addition | The way numbers are grouped does not affect the sum. |
| Commutative property of addition | The order |