Aim: How are the algorithms for addition and subtraction related?
Homework: Txtbk p.47 #41-46, 48
Do Now: Solve each problem. Be prepared to explain your reasoning.
1. (-24) + (-35)= 2. -13 - (-8)=
Classwork: We looked more closely at the relationship between addition and subtraction. today, and used our previous findings to rewrite subtraction statements and equivalent addition statements.
Announcements: I will be offering extra help on Tuesdays after school in room 228. The first session meets today!