opening activity: simplify using with like terms – no calculator
TRANSCRIPT
Opening Activity:Opening Activity:Simplify using with Like Terms – Simplify using with Like Terms – No calculatorNo calculator
Stand up/Hands up/Pair upStand up/Hands up/Pair up
Decide who is partner A Decide who is partner A and who is partner B.and who is partner B.
Partner A will go first – they Partner A will go first – they will answer the question will answer the question while Partner B listenswhile Partner B listens
Next Partner B will repeat Next Partner B will repeat what Partner A answer was.what Partner A answer was.
Stand up/Hands up/Pair upStand up/Hands up/Pair upContinued…..Continued…..
Partner A: What does it Partner A: What does it mean to simplify like mean to simplify like terms terms
Partner B: summarize what they Partner B: summarize what they said- including what their name said- including what their name is!is!
Now partner B: answer the same Now partner B: answer the same question, then A summarizesquestion, then A summarizes
Stand up/Hands up/Pair upStand up/Hands up/Pair upContinued…..Continued…..
Partner B: What would be Partner B: What would be a common mistake a common mistake students makestudents make
Partner A: summarize what they Partner A: summarize what they said- including what their name said- including what their name is!is!
Now partner A: answer the same Now partner A: answer the same question, then B summarizesquestion, then B summarizes
Our First Vocabulary WordOur First Vocabulary Word
Like terms!!Like terms!!
Any questions???Any questions???
Homework from last night – check Homework from last night – check answers!answers!
Now lets take LG#1 QuizNow lets take LG#1 Quiz Now lets begin LG#2 – math can be Now lets begin LG#2 – math can be
confusing!!confusing!!
Video Video
abottcostello.flv
ObjectiveObjective
All All studentsstudents will begin to understand will begin to understand (level 2) how to solve a (level 2) how to solve a multi-step multi-step equation.equation.
Distributive PropertyDistributive Property
FractionsFractions
Like termsLike terms
Algebraic Equations
-20-20
10x = 6010
4x +6x + 20 = 80( )10x + 20 = 80
10
x = 6
Algebraic Equations
-12-12
5x = 805
3x + 2x + 20 - 8 = 92
5x + 12 = 92
5
x = 16
( ) ( )
Algebraic Equations
-12-122x + 12 =122
2
6x + 15 = 125 + 4x
6x – 4x + 12 = 122 + 4x – 4x
22x = 110
( ) ( )
X = 55
( )
10x – 3x -12 = 4x – 9x + 48
Algebraic Equations
Distributive Property
7x - 12 = -5x + 48
2(5x – 6) – 3x = 4(x + 12) – 9x
10x – 12 - 3x = 4x + 48 – 9x
( )
7x + 5x - 12 = 48
12x - 12 = 48
( )
12 12
7x + 5x - 12 = 48 12x - 12 = 48
+12+12
12x = 60
X = 5
Algebraic Equations
Distributive Property
73
52
x
Important!!! How does this problem Important!!! How does this problem look different!!look different!!
The equal sign is the door…who The equal sign is the door…who goes out the door first?goes out the door first?
73
52
x
733
523
x
The work:
2152 xThe result:
Turn to your shoulder partner and Turn to your shoulder partner and discuss the differences between discuss the differences between
these two equationsthese two equations
63
2
x 743
x
Reflect on ObjectiveReflect on Objective
All All studentsstudents will begin to understand (level will begin to understand (level 2) how to solve a 2) how to solve a multi-step equation.multi-step equation.
Are you ready to practiceAre you ready to practice??????
Little HarderLittle Harder
What is a consecutive Integer?What is a consecutive Integer? What is a consecutive odd integer?What is a consecutive odd integer? What is a consecutive even integer??What is a consecutive even integer??
What are three consecutive integers that add up What are three consecutive integers that add up to 15?to 15?
What are two consecutive odd integers that the What are two consecutive odd integers that the sum is 20?sum is 20?
Name two consecutive even integers that add up Name two consecutive even integers that add up to -6.to -6.