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additive identity

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
additive identity
n.
An element that in a given mathematical system leaves unchanged any element to which it is added.


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it does not matter in which order pairs are added), a zero element (or additive identity 0 (a + 0 = a)) and an additive inverse: the inverse of a [member of] G is -a and a + (-a) = 0 (a + (-b) is written a - b).
For instance, one pre-service teacher had planned a differentiated lesson during which the students would move to each of six different stations in order to review some basic properties of integers, such as the associative property and the additive identity.
 
 
 
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