Which lesson would you be referring to? Comparing rational numbers (2.1) or adding rational numbers (2.2)?

Here is the lesson for comparing rational numbers (remember to change any fractions to decimals. Those are easier to compare): http://www.bigideasmath.com/protected/content/dcs_cc2/tutorials/mp4/cc12/grade%207/chapter%202/section%201/ltut_7_02_01_3/ltut_7_02_01_3.html

Here is the lesson for adding rational numbers (specifically decimals). Remember to line up those BEAUTIFUL decimals.

http://www.bigideasmath.com/protected/content/dcs_cc2/tutorials/mp4/cc12/grade%207/chapter%202/section%202/ltut_7_02_02_2/ltut_7_02_02_2.html