Adding Integers

1) Review slope

https://www.brainpop.com/math/algebra/slopeandintercept/ 

Demonstration: https://phet.colorado.edu/sims/html/graphing-lines/latest/graphing-lines_en.html


2) Integers
http://studyjams.scholastic.com/studyjams/jams/math/numbers/integers.htm  

https://www.brainpop.com/math/numbersandoperations/addingandsubtractingintegers/preview.weml   
http://www.math-play.com/adding-integers-game/adding-integers-game.html