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Unit 1math vocab

QuestionAnswer
To separate a number to show the value of each digit. Ex: 5,000 + 300 +80 + 2 = 5,382 expanded form
to write the numerals so it is easy to read, ex 5,382 standard form
to write or say a number using letters and words word form
the symbols we use for numbers (1,2,3,4,...) digit
three places separated by a comma period
the value of a digit based on its location in a number place value
the position of a digit in a number place
to look for differences in numbers and their values (which is greater than, less than) compare
shows the first number is larger than the second number (6767>5454) greater than
shows the first number is smaller than the second number (5454<6767) less than
to make an approximate calculation or give a number close to the original. estimate
to change a number to an easier value by finding the nearest place value round
to rearrange numbers into groups based on place value. regroup
a number used in an addition sentence addend
a way of performing a problem by following specific steps algorithm
the answer in an addition problem that tells the total sum
the answer in a subtraction problem difference
Created by: 4thgradekings
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