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14 Cards in this Set

  • Front
  • Back
Ordinal Number
Numbers used to tell the order of people or objects. (p.4)
Ex.: first, second, third, fourth ...
The symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 used to write all numbers. (p.6)
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
A group of three digits in a nu;mber, separated by a comma. Group from right to left.

Ex.: 65,743
To decide if one number is greater than or less than another number. (p.18)
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)
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) $