| A | B |
|---|
| period | a group of three digits separated from other digits of a number by a comma |
| word form | a number written as words |
| short word form | a number written with words naming the periods |
| standard form | a number written with commas separating groups of three digits |
| expanded form | a number written as the sum of the value of its digits |
| number sentence | a fact written in horizontal form |
| place value | the value determined by the position of a digit in a number |
| data | information that is gathered |
