Addition is a way of combining 2 numbers.
For example:
I have two apples and Joe gave me 2 more..I now have 4 apples if I count all of them up!
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Subtraction is the opposite of addition.
addition and subtract in integers
The opposite of addition is subtraction.
It is "additive".
The commutative property of addition is a fact that proves an answer is the same even if you switch the 2 numbers in the addition problem around. This only works with addition.