How Do I Do That?

 

Adding and Subtracting Integers:

It looks like this (-2) – (-5)

http://www.mathsisfun.com/positive-negative-integers.html

Video Lessons:

https://www.youtube.com/watch?v=AIWPLvTNhXs

https://www.youtube.com/watch?v=X4sRy7_usYI

https://www.youtube.com/watch?v=NQSN00zL5gg

Adding and subtracting improper fractions with negative and positive values:

http://www.mathsisfun.com/improper-fractions.html

Adding and subtracting rational numbers with unlike denominators:

It looks like this: (-2/3) + 5/9)

The best video

http://www.virtualnerd.com/pre-algebra/rational-numbers/fraction-addition-subtraction/add-fractions/mixed-numbers-add-different-denominators

https://www.youtube.com/watch?v=MwqgHvdKlmQ

 

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