• Natural numbers
• Addition
• Subt.
• Mult.
• Division
• Powers
• Root
• R 2
• Order
• I

a - b = c

The terms involved in a subtraction are called: the minuend, a, and the subtrahend, b. The result, c, is called the difference.

Properties of the Subtraction of Natural Numbers

1. No closure:

The result of subtracting two natural numbers is not always another natural number.

2 − 5

2. No commutative:

5 − 2 ≠ 2 − 5

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