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Chapter 4-5 Vocab.


sum the result of adding numbers
estimate to find about how much or how many
front-end estimation a method of estimating in which only the front digits are used
expression the part of a number sentence that combines numbers and operation signs
not equal to ≠ a relation symbol used to show that two numbers are not equal to each other
subtract to find the difference between two quantities
regrouping exchanging amounts of equal value to rename a number
rounding a method of estimating by substituting a number that is close
Created by: Central 3 Math