Download - Exponents
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• Please Have Estimation worksheet out
• Write Down Homework• Complete Warm Up
Thursday, August 11th
Estimate each question to the greatest place value
1. 197 + 231 2. 34, 5000 - 27,800
Warm Up
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Corny Joke of the Day
Why did Max walk backwards to School?
Because it was back to school day
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Unit 1 Vocabulary: #1 and #2
Estimate-
Rounding-
Talk in your groups about a good definition
of each vocabulary
AND an example of
each
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Grab a piece of Candy!!!
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Candy names
Cherry:Favorite sport/hobbyOrange:Favorite place on
EarthStrawberry: Favorite animalLemon:Favorite Color
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Homework Answers
#1. $8
#2. $17
#3. $12
Any Questions?!?
#4. Trade your question to the person to your left and try their problem!
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Goal Sheet Why are
goals important?
What are some goals
that you have had?
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Goal Sheet “We cannot change the
cards we are dealt, just how we play the hand.”
“You’ve got to get the fundamentals down because otherwise the fancy stuff isn’t going to work”
“It’s not about how to achieve your dreams. It’s about how to lead your life. If you lead your life the right way, the karma will take care of itself. The dreams will come to you.”
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Remember
I’m here to help
you reach your
goals!
Fill out Goal Sheet Please take this seriously and
really think about your goals
*Please take this home and fill out with your parents!
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I need 2 volunteers!
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Exponents
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Part 1: A little Math story brought to you by…..
Ms. Evans
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The Magic Toy Machine
One day, a long time ago, in a far away land lived a crazy scientist. Everyone thought he was a little strange, but he did have a lot of experiments go wrong……
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He wanted to do something right and help out a local toy store. See, the store couldn’t keep up with the demands of the new life like teddy bear that attacked predators of young children. So, he decided to build a machine that would keep up with this awesome new invention…..
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After months of slaying away, his machine (the kookalamoo) was ready! His machine started with 1 teddy bear, put it through the machine and an hour later it came out as two. He then put those two in and in hour later each of those made two more, and so on and so on…..
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Group Investigation
The teddy bears kept MULTIPLYING fast. How many
teddy bears did he have after 5 hours?
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Table of contents Date: 8/11Section: 1-3Title: Exponents
Pages: 4-6
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Let’s think about this….
Let’s illustrate it!
1 hr2 hr
3 hr4 hr
5 hr
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Let’s make a table!
Hours Number of Teddy Bears
1 22345
• Describe what is happening in this data?• How could we write it using exponents?
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Vocabulary Review
1. Power2. Base3.Exponent
5
2
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A power is an expression written with an exponent and a base• 3² is an example of a power.
3; The base is the
number that is used as a
factor
32 2; The exponent tells how many times you
should use 3 as a factor
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Can You Finish the Table?
Hours Number of Teddy Bears POWER
1 22 43 84 165 32
1
2
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Part II. Geometry Application
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When a number is raised to the second power, we usually say it is “squared.”
S
S
When a number is raised to the third power, we usually say its “cubed.”
S
SS
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Part III. Reading and Exponents
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3 to the second power, or 3 squared
3 3 3 3 3
Multiplication Power ValueWords
3 3 3 3
3 3 3
3 3
3 3 to the first power
3 to the third power, or 3 cubed
3 to the fourth power
3 to the fifth power
3
9
27
81
243
31
Reading Exponents
32
33
34
35
3 to the second power, or 3 squared
3 3 3 3 3
Multiplication Power ValueWords
3 3 3 3
3 3 3
3 3 to the first power
3 to the third power, or 3 cubed
3 to the fourth power
3 to the fifth power
331
Reading Exponents
3 3
27
81
243
32
33
34
35
3 to the second power, or 3 squared
3 3 3 3 3
Multiplication Power ValueWords
3 3 3 3
3 3 3
3 3 to the first power
3 to the third power, or 3 cubed
3 to the fourth power
3 to the fifth power
331
Reading Exponents
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You Try!!! Write each power in words, repeated
multiplication, and find it’s value!
Power Words Repeated Multiplicati
on
Value
2
43
586
10
7
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Part IV. The Power of ZeroHours Number of Teddy Bears POWER
01 22 43 84 165 32
1
2
• How many teddy bears at zero hours?!??• Anything raised to the zero = 1
2
23
24
25
2
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Part v. Writing Powers
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Writing Numbers in Exponential Form
Write each expression in exponential form.
1. 5 5 5 5
2. 3 3 3 3 3
5 is a factor 4 times.54
3 is a factor 5 times.35
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Write each expression in exponential form.
3. 7 7 7
4. 6 6 6 6 6 67 is a factor 3 times.
73
6 is a factor 6 times.
66
This rocks!
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Any Questions?!?!?!?!
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PUT YOUR NAME IN IT!!!!
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