You really did a good job using the Opposite of a Sum and Opposite of a Difference properties. Also, thanks for helping out with the bake sale at the last minute.
Homework:
Lesson 2-4, Applying and Review
Decide when you want a quiz on Lessons 2-1 through 2-3. It could be Friday or Tuesday.
Be sure you either email me a copy of your number puzzle or tell me if the puzzle is saved in your folder on the student server.