Cardinal numbers
Words related to the cardinal numbers (one, two, three): the numbers used to count.
- 
                  What are the cardinal numbers? (the numbers you use when you count)
- 
                  multiples of ten
- 
                  multiples of one hundred
- 
                  multiples of one thousand
- 
                  numbers larger than one thousand
- 
                  What words are used to refer to the numbers of a certain decimal place?
- 
                  What words are used to refer to groups of a certain decimal place?
- 
                  What words refer to a very large number?
- 
                  What words refer to an unlimited number?