1. #1. 6/9 + 1/3 #2. 16/20 -2/5 Simplify the following expressions. #3
# /9 + 1/3 # /20 -2/5 Simplify the following expressions. # y + 2m – # x + 4x – 2x
Bell Ringer

2. Updated September Calendar
Pay attention to these dates:
Quiz: Sept 16
Quiz: Sept 23
Test: Sept 25

3. Progress Report
These will be sent home Thursday, September 18. You must have everything DONE by then, or it will be entered as a zero.
Check with me and INOW to see what work you owe me…..we will talk at the end of class.

4. Last Problems from Yesterday’s Homework

5. Last Night’s Homework Review

6. Section 4.3: Solving equations by Adding and Subtracting
R drive > Key > Week 5 > Wednesday > 4.3 PowerPoint
File > Save As > P drive > math > Week 5 > Wednesday > 4.3 PowerPoint

7. Preview
Kareem wants to determine how much his dog weighs. When he weighs himself, he weighs 120 pounds. When he and his dog are both on the scale, they weigh 168 pounds.
(A) Write an addition sentence that relates Kareem’s weight and his dog’s weight to the total weight.
(B) How much does Kareem’s dog weigh?

8. Solving equations by adding

9. Vocabulary
Solution: A value for the variable that makes the equation true
Solving the Equation: The process of finding the solution
Inverse Operation: The operation that reverses the effect of another operation
Equivalent Equations: Equations that have the same solution

10. Key Concept

11. Example 1a

12. Example 1b

13. A couple More Examples…
Solve each equation. Check your solution and graph it on a number line.
(A) x – 4 = -3
(B) = n – 6.1

14. Homework Section 4.3 #1-3, 5-6, 12-15, 20, 25-26