Math K-Plus

Identity Property Of Subtraction

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What Is Identity Property Of Subtraction?


The Identity Property Of Subtraction property is a subset of Properties Of Subtraction. To learn about other properties of subtraction see Properties Of Subtraction.

  • The number zero is the "subtractive identity". This means subtracting zero from any number does not change the answer or the number sign (+, -). Example:
    0 - 7 = -7
    7 - 0 = 7


Property Example

Practical Example


Abstract Example


0 - 7 = -7
   -7 = -7
0 - a = -a


If you want to learn about the Math Properties of Addition, Multiplication, or Division see Math Properties.