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# Exponents

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• 1. Thursday, August 11th
• Please Have Estimation worksheet out
• 2. Write Down Homework
• 3. Complete Warm Up
Warm Up
Estimate each question to the greatest place value
1. 197 + 231 2. 34, 5000 - 27,800
• 4. Corny Joke of the Day
Why did Max walk backwards to School?
Because it was back to school day
• 5. Unit 1 Vocabulary: #1 and #2
Estimate-
Rounding-
AND
an example of each
• 6. Grab a piece of Candy!!!
• 7. Candy names
Cherry:
Favorite sport/hobby
Orange:
Favorite place on Earth
Strawberry:
Favorite animal
Lemon:
Favorite Color
#1. \$8
#2. \$17
#3. \$12
Any Questions?!?
• 9. Goal Sheet
Why are goals important?
What are some goals that you have had?
• 10. 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”
• 11. Remember
Fill out Goal Sheet
• 12. I need 2 volunteers!
• 13. Exponents
• 14. Part 1: A little Math story brought to you by…..
Ms. Evans
• 15. 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……
• 16. 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…..
• 17. 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…..
• 18. Group Investigation
The teddy bears kept MULTIPLYING fast. How many teddy bears did he have after 5 hours?
Date: 8/11
Section: 1-3
Title: Exponents
Pages: 4-6
Let’s illustrate it!
5hr
4hr
3hr
2hr
1 hr
• 21. Let’s make a table!
• Describe what is happening in this data?
• 22. How could we write it using exponents?
• Vocabulary Review
1. Power
2. Base
3.Exponent
• 23. 3
2
Apower is an expression written with an exponent and a base
• 3² is an example of a power.
2; The exponent tells how many times you should use 3 as a factor
3; The base is the number that is used as a factor
• 24. Can You Finish the Table?
• 25. Part II. Geometry Application
• 26. S
S
When a number is raised to the third power, we usually say its “cubed.”
S
S
S
When a number is raised to the second power, we usually say it is “squared.”
• 27. Part III. Reading and Exponents
Multiplication
Power
Value
Words
Multiplication
Power
Value
Words
Multiplication
Power
Value
Words
3 to the first power
3 to the first power
3
3
31
3
3
31
3 to the first power
3
3
31
3 to the second power, or 3 squared
3 to the second power, or 3 squared
3 to the second power, or 3 squared
32
3  3
32
3  3
9
3 to the third power, or 3 cubed
3 to the third power, or 3 cubed
3 to the third power, or 3 cubed
27
27
33
3  3  3
33
3  3  3
3  3  3
34
3 to the fourth power
3 to the fourth power
34
3 to the fourth power
81
3  3  3  3
3  3  3  3
81
3  3  3  3
3 to the fifth power
3 to the fifth power
35
3  3  3  3  3
3 to the fifth power
3  3  3  3  3
35
3  3  3  3  3
243
243
• 29. You Try!!!
Write each power in words, repeated multiplication, and find it’s value!
• 30. Part IV. The Power of Zero
• How many teddy bears at zero hours?!??
• 31. Anything raised to the zero = 1
• Part v. Writing Powers
• 32. Writing Numbers in Exponential Form
Write each expression in exponential form.
1. 5  5  5  5
2. 3  3  3  3  3
54
5 is a factor 4 times.
35
3 is a factor 5 times.
• 33. Write each expression in exponential form.
3. 7  7  7
4. 6  6  6  6  6  6
This
rocks!
73
7 is a factor 3 times.
66
6 is a factor 6 times.
• 34. Any Questions?!?!?!?!
• 35. Put in back of binder