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### 14 Cards in this Set

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 Ordinal Number Numbers used to tell the order of people or objects. (p.4) Ex.: first, second, third, fourth ... DIGIT The symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 used to write all numbers. (p.6) PLACE VALUE The value given to the place a digit has in a number. (p.6) Ex.: In 3,567, the place value of the digit 5 is hundreds. Expanded Form A number written as the sum of the values of its digits. (p.6) Ex.: 2, 367 = 2,000 + 300 + 60 + 7 Standard Form A way to write a number showing only its digits. (p.6) Ex.: 2,367 Word Form A number written in words. (p.6) Ex.: 584 = five hundred eighty-four PERIOD A group of three digits in a nu;mber, separated by a comma. Group from right to left. Ex.: 65,743 COMPARE To decide if one number is greater than or less than another number. (p.18) ORDER To arrange numbers from least to greatest or from greatest to least. (p.22) Even Number A whole number that has 0, 2, 4, 6, or 8in the ones place. (p.24) Odd Number A whole number that has 1, 3, 5, 7, or 9 in the ones place. (p.24) Rounding Replacing a number with a number that tells about how much or how many to the nearest ten, hundred, thousand, and so on. (p.28) Decimal Point A dot used to separate dollars from cents and ones from tenths in a number. (pp. 36, 564) Dollar Sign A symbol used to indicate money. (p.36) \$