| A | B |
|---|
| sequence | an ordered list of numbers |
| digit | any of the symbols used to write numbers: 0,1,2,3,4,5,6,7,8,9 |
| term | a number in a sequence |
| even number | any digit that can be divided without a remainder, 0,2,4,6,8 |
| odd number | 1,3,5,7,9 |
| whole number | counting numbers & zero |
| place value | the value of a digit based on its position in a number |
| expanded form | a way of writing a number that shows the value of each digit, 300+20+3=323 |
| greater than | comparison symbol, >, 7>5 |
| less than | comparison symbol, <, 5<7 |
| decimal point | separates the number of dollars from the number of cents |
| addend | number that is added |
| sum | the answer to an addition problem |
| Commutative Property of Addition | numbers may be added in any order to find their sum |
| algorithm | procedure for getting an answer |
| ordinal number | number used to name position or order |
| difference | the answer to a subtraction problem |
| minus sign | a dash (-) between two numbers tell us to subtract |
| inverse operation | one operation undoes another |
| fact family | a group of three numbers related by addition & subtraction or multiplication & divison |
| equation | a number sentence with an equal sign |
