Learn two different methods for adding long strings of integers. $$(-4)+(+9)+(+4)+(-2)=$$
Teaser and introduction goes here. Sample problem here.
Teaser and introduction goes here. Sample problem here.
Teaser and introduction goes here. Sample problem here.
Teaser and introduction goes here. Sample problem here.
Teaser and introduction goes here. Sample problem here.
Teaser and introduction goes here. Sample problem here.
Teaser and introduction goes here. Sample problem here.
Learn PEMDAS and how to apply it to integers. $$8-3\cdot~(-4)\div~2+4$$