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Module 1

addend a number to be added in an addition problem
Associative Property of Addition states that the grouping of the addends can be changed without affecting the sum
Commutative Property of Addition states that the order of the addends can be changed without affecting the sum
difference the answer in a substraction problem
digit any one of these 10 numerals: 0,1,2,3,4,5,6,7,8,9
expanded notation a form of notation in which number is written as the sum of the values of its digits
fact family a set of related addition and substraction facts
inequality a sentence that contains the symbols > (greater than) or < (less than)
millions period the period to the left of the thousands period, containing the millions place, the ten millions place, and the hundred millions place
period each griup of three digits seperated by a comma in a multi-digit number
place value determines the value of a digit in a number based on the location of the digit
rounding replacing a number with another number that tells about how many or how much
subtraction the process of finding how many are left when a number of items are taken away from a group of items; the process of finding the difference when two groups are compared
sum the answer in an addition problem
thousands period the period to the left of the ones period, containing the thousands place, and the hundred thousands place
Created by: tnm1903