Subtracting Real Numbers

Subtracting numbers is not governed by a lot of rules. The important thing to remember when subtracting is that you can complete the problem by adding the opposite.

Tonight's Homework: 2.1 ( 18 - 50, FCO, 83 - 85 ) and 2.3 ( 16 - 69, FCO, 73 - 75, 81a and b )