| A | B |
|---|
| arithmetic | the study of the properties of and relations of numbers using four basic operations. |
| 4 basic operations | addition, subtraction, multiplication, division |
| statement | a sentence that is true or false. |
| algebra | branch of mathematics that uses letters & numbers to show relations between qualities. |
| open statement | a sentence that is neither true or false. |
| What does 3n mean? | 3 times n, 3 * n, 3(n) or 3n |
| numerical expression | a mathematical sentence that includes operations and numbers. |
| operation | the mathematical processes of addition, subtraction, multipl. and division. |
| algebraic expression | a mathematical sentence that includes at least one operation and a variable. |
| variable | a letter or symbol that stands for an unknown number. |
| coefficient | the number that multiplies the variable. |
| real number | a number on the number line. |
| integer | a whole number or its opposite(...-2,-1,0,1,2,...) |
| negative integer | a whole number less than zero |
| positive integer | a whole number greater than zero |
| opposites | numbers the same distance from zero but on different sides of 0 on the number line. |
| addition | the arithmetic operation of combining numbers to find their sum or total. |
| addend | a number that is addes to one or more numbers. |
| sum | the answer to an addition problem. |
| subtraction | the operation of taking one number away from another to find the difference. |
| difference | the answer to a subtraction problem. |
| subtraction & addition problems are: | opposite arithmetic operations. |
| multiplication | the operation of adding a number to itself many times. |
| factor | a number that is multiplied in a multiplication problem. |
| product | the answer to a multiplication problem. |
| In multiplication you simply add: | a number many times. The order doesn't change the product. |
| division | the operation that finds how many times a number is contained in another number. |
| quotient | the answer to a division problem. |
| dividend | a number that is divided. |
| divisor | the number by which you are dividing. |
| Division is the opposite of: | multiplication. |
| A dividend is divided by a divisor: | to find a quotient. |
| term | part of an expression separated by an addition or subtraction sign. |
| like terms | terms that have the same variable. |
| simplify | combine like terms. |
| unlike terms | terms that have different variables. |
| exponent | number that tells the times another number is a factor. |
| base | the number being multiplied; a factor. |
| power | the product of multiplying any number by itself once or many times. |
| perimeter | the distance around the outside of a shape. |
| equilateral triangle | a triangle with three equal sides. |
