Algebra 1a: Chapter 2, Lesson 3, page 63.
Addition of Rational Numbers.
Adding 2 positive or negative numbers
- Add the absolute values. The sum has the same sign as the 2 numbers.
Adding a positive and a negative number
- Subtract the absolute values. The sum has the sign of the number with the bigger sign!
I have a podcast on iTunes that talks about this lesson. Just search on iTunes “MrE Algebra” and you’ll find it. Click here and you can check it out here on your desktop!
Two of tonight’s homework problems solved by MrE are here! Just click it!
If you need a refresher, please read Chapter 2, lessons 1 and 2 or click here!
Purplemath.com has these tutorials for the addition and subtraction of rational numbers too!