1. Day 4
Objective: I can simplify expressions.

2. Journal
Distribute.
4(3x+6y)

3. Turn in Homework

4. Review
Distribute.
7(3a-4b)

5. Quiz
Distribute
5(2m+4n)

6. Notes
Distribute.
4(2y + 6z)

7. Notes
Distribute.
4(2y + 6z)
Each part is called a term.

8. Notes
Just like we have “like fractions”, we can have “like terms”.

9. Notes Just like we have “like fractions”, we can have “like terms”.
“Like terms” have the exact same letter.

10. Notes
2a and 5a both have the same letters.

11. Notes 2a and 5a both have the same letters.
We can simplify like terms.

12. Notes 2a and 5a both have the same letters.
We can simplify like terms.
If I had 2 “a’s” and 5 “a’s”, how many “a’s” do I have?

13. Notes
6n – 7n – 4 + n
How many terms?

14. Notes
6n – 7n – 4 + n
How many terms?
Coefficients:

15. Notes
6n – 7n – 4 + n
How many terms?
Coefficients:
Constants:

16. Notes 6n – 7n – 4 + n How many terms? Coefficients: Constants:
Simplified:

17. Notes 9y – 4 – 11y +7 Terms: Like Terms: Coefficients: Constants:
Simplified:

18. Notes 3x +2 – 10 – 3x Terms: Like Terms: Coefficients: Constants:
Simplified:

19. Notes
Simplify
4y + y

20. Notes
Simplify
7x – 2 – 7x +6

21. Notes
4z – 3z

22. Notes
6 - 3n +3n

23. Notes
2g – 8g

24. Notes
2 + 3a +9a

25. Notes
9 – z +3 – 2z

26. Notes
-4j – 1 – 4j +6

27. Notes
5x +4 +9x

28. Notes
-3r +7 – 3r - 12

29. Notes
The cost of a jacket after a 5% markup is represented by the expression j +.05j. Simplify the expression. Find the cost of the jacket if the original price is $35.

30. Notes
The cost of a set of DVDs after a 25% markup can be represented by c +.25c. Simplify the expression. Find the total cost of the DVDs if the original price is $40.

31. Notes
At a concert, you buy some t-shirts for $12 each and the same number of CDs for $7.50 each. Write an expression to represent how much you have spent.

32. Notes
Manuel buys some boxes of cereal for $4.85 each and the same number of bags of pretzels for $2.90 each. Write an expression in simplest form to represent the total amount spent.

33. Notes
You have some money. Your friend has $50 less than you. Write an expression in simplest form that represents the total amount of money you and your friend have.

34. Homework Chapter 5 Lesson 5: Read pages 387-390
Do # 1-14, 18-26, (pgs )