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2 cards from this section. Quick, good the night before a test.
What is the additive identity?
Think about what number keeps other numbers the same when added.
Calculate 7 + 0.
What does adding zero do?
What is the additive identity in arithmetic?
Think about what happens when you add zero.
True or False: Adding 0 to any number results in that number being unchanged.
Consider examples where you add zero.
If you have the equation x + 0 = 12, what is the value of x?
Think about solving for x through subtraction.
Consider an equation where 15 is added to x with the additive identity shift. If 0 changes position, what implication does it have?
Apply the additive identity property in multiple positions.
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