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Chapter 27
Add and Subtract Decimals
vocabulary | definitions |
---|---|
Tenth | One of ten equal parts |
Hundredth | One of one hundred equal parts |
Fraction | A number that names part of a whole |
Number line | A line with equally spaced marks named by numbers |
Decimal | A number with one or more digits to the right of a decimal point |
digit | Any one of ten symbols used to write numbers |
round | Replace a number with a number that tells about how many or how much |
Decimal point | The mark in a decimal number that separates the ones and the tenths |
regrouping | Exchanging amounts of equal value when renaming a number |
Equivalent decimals | Two or more decimals that name the same amount |