UNIT 1. Integers
In this unit you are going to learn obout:
- Absolute value of an integer
- The oposite of an integer
- Operations with integers
You can find information in your English Maths book or you can click here:
http://www.mathleague.com/help/integers/integers.htm 
Now, if you’ve studied a lot, you are ready to make the following activities:
http://jc-schools.net/tutorials/tools/math-hs.html (Look for integers)
