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| Math Central | Quandaries & Queries |
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My daughter brought home a question for math homework. What is a group of three numbers within a larger number? |
Kim,
Do you mean like the "234" in
"1,234,567.89"
"Digit group" seems to be fairly standard. Older books (pre-20th-century) call it a "period" (though they tended to write long numbers without any divisions, eg "1234567.89", they still used the idea when explaining how to read numbers aloud.)
-RD
Kim,
Also have a look at Paul's response to this question a few years ago.
Harley
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