Day 4 Objective: I can simplify expressions.

Journal Distribute. 4(3x+6y)

Turn in Homework

Review Distribute. 7(3a-4b)

Quiz Distribute 5(2m+4n)

Notes Distribute. 4(2y + 6z)

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

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

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

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

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

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?

Notes 6n – 7n – 4 + n How many terms?

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

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

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

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

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

Notes Simplify 4y + y

Notes Simplify 7x – 2 – 7x +6

Notes 4z – 3z

Notes 6 - 3n +3n

Notes 2g-3 +11 – 8g

Notes 2 + 3a +9a

Notes 9 – z +3 – 2z

Notes -4j – 1 – 4j +6

Notes 5x +4 +9x

Notes -3r +7 – 3r - 12

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.

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.

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.

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.

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.

Homework Chapter 5 Lesson 5: Read pages 387-390 Do # 1-14, 18-26, 29-31 (pgs 391-393)