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Math module 5
| Term | Definition |
|---|---|
| In a power, the number that tells how many times the base is used as a factor. In 5^3 the exponent is 3. That is, 5^3= 5 × 5 × 5. | |
| Exponent | |
| Base | In a power, the number used as a factor. In 10^3, the base is 10. That is, 10^3= 10x10x10 |
| Powers | A number expressed using an exponent. The power 3^3 is read three to the second power, or three squared. |
| Numerical Expression | A combination of numbers and operations |
| Evaluate | To find the value of an algebraic expression by replacing variables with numbers |
| Order of Operations | The rules that tell which operation to perform first when more than one operation is used. |
| Algebra | A mathematical language of symbols, including variables. |
| Algebraic expression | A combination of variables, numbers, and at least one operation. |
| Coefficient | The numerical factor of a term that contains a variable. |
| Constant | A term without a variable |
| Defining the variable | Choosing a variable and deciding what the variable represents. |
| Like terms | Terms that contain the same variable(s) to the same power. |
| term | Each part of an algebraic expression separated by a plus or minus |
| variable | A symbol, usually a letter, used to represent a number. |
| Common factor | A number that is a factor of two or more numbers |
| Greatest common factor | The greatest of the common factors of two or more numbers |
| Least common multiple | The smallest whole number greater than 0 that is a common multiple of each of two or more numbers. |
| Distributive property | To multiply a sum by a number, multiply each addend by the number outside the parentheses. A(b+c)=ab+ac |
| Factoring the expression | The process of writing numeric or algebraic expressions as a product of their factors. |
| Associative Property | The way in which umbers are grouped does not change the sum or product. |
| Commutative property | The order in which numbers are added or multiplied does not change the sum or product. |
| Associative Property | The way in which numbers are grouped does not change the sum or product. |
| Commutative Property | The order in which numbers are added or multiplied does not change the sum or product. |
| Distributive property | To multiply a sum by a number, multiply each addend by the number outside the parentheses. |
| equivalent expressions | Expressions that have the same value, regardiess of the values of the variable(s). |
| Identity property | Properties that state that the sum of any number and 0 equals the number and that the product of any number and 1 equals the number. |
| Simplest form | The status of an expression when it has no like terms and no parentheses. |
Created by:
30johol
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