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15 Cards in this Set

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  • Back
Ordinal Numbers
numbers used to order people or objects (first, second, etc.)
digit
the symbols 0, 1, 2, etc. used to write numbers
place value
the value given to the place that a digit has in a number (In 346, the place value of the 3 is hundreds)
expanded form
a number written as the sum of the value of the digits (293 = 200+90+3)
standard form
a way to write a number showing only its digits (125)
word form
a way to write a number using words (34 = thirty four)
period
a group of 3 digits separated by a comma
compare
decide if one number is greater or less than another number
number line
a line that shows numbers in order using a scale
order
organize numbers from greatest to least or least to greatest
even number
a whole number that has 0, 2, 4, 6, or 8 in the ones place
odd number
a whole number that has 1, 3, 5, 7, or 9 in the ones place
rounding
use a number that tells about how many or how much to the nearest 10, 100, or 1000
decimal point
a dot used to separate dollars from cents and ones from tenths
dollar sign
a symbol used to show money ($)