11/30 Lesson 3.3.3 Properties of Arithmetic

1.  Problem 112 as warm-up:

2.  Lesson 3.3.3 Properties of Arithmetic

• Objective:  I will strategically use properties of arithmetic to make simplifying expressions easier
• Mini-lesson: Commutative and Associative properties of addition
• Debate:
• Does the Commutative property work for other operations?
• Does the Associative property work for other operations?
• Now you try:  Efficiently simplify the expressions on the side whiteboard

3.  Announcements:

• Individual Test on Friday, Team Test on Wednesday
• ILP due on Friday (paper copies available)
• Math Counts meeting tomorrow at lunch in Mr. Kirby's room

Homework:  3.3.3 R/P #120-124 (due Tuesday)