OAT Lesson 9: Powers of 10
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Last updated over 2 years ago
28 questions
Develop Understanding
Today's Learning Goal: (G5, U6, L2)
- Use whole-number exponents to denote powers of 10
Today's Materials:
- Laptop
- Laptop charger
- Pen/Pencil/Paper/Expo Marker (optional)
Please complete the Jump Start (activator). You have 5 minutes before we review. This is independent it should be silent.
Reminders:
1. Ready for class
2. No cellphones
3. Volume must be low.
4. Read and follow all directions
5.) Take your bag off and immediately begin the Activator.
Required
0
How many do you see and how do you see them?
How many do you see and how do you see them?
Launch: - (10 min)
I do (question 2)
We do (question 3)
You do (question 4 and 5)
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Write the number using exponential notation:
Write the number using exponential notation:
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Write the number using exponential notation:
Write the number using exponential notation:
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Write the number using exponential notation:
Write the number using exponential notation:
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Write the number using exponential notation: 100,000
Write the number using exponential notation:
100,000
Activity 1: Population of Delaware and India - (10 min)
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About 1,000,000 people live in Delaware. How do you say this number?
About 1,000,000 people live in Delaware.
How do you say this number?
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How many thousands is this? Explain or show your reasoning.
How many thousands is this? Explain or show your reasoning.
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Write the number using powers of 10.
Write the number using powers of 10.
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How many times would you need to extend the diagram from the warm-up to get 1,000,000 tiny segments? Explain or show your reasoning.
How many times would you need to extend the diagram from the warm-up to get 1,000,000 tiny segments? Explain or show your reasoning.
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In 1997, the population of India was about 1,000,000,000.How would you say this number?
In 1997, the population of India was about 1,000,000,000.
How would you say this number?
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How many millions is this? How many thousands is it? Explain or show your reasoning.
How many millions is this? How many thousands is it? Explain or show your reasoning.
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Write the number using powers of 10.
Write the number using powers of 10.
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How many times would you need to extend the diagram from the warm-up to get 1,000,000,000 tiny segments? Explain or show your reasoning.
How many times would you need to extend the diagram from the warm-up to get 1,000,000,000 tiny segments? Explain or show your reasoning.
Activity 2: Powers of 10 - (10 min)
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2,000 = _______ x 20
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20 x 10 x _______ = 20,000
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_______ x 10 = 100,000
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1,000 x 10,000 = _______
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How were products of 10s useful in solving these problems?
How were products of 10s useful in solving these problems?
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Write each power of 10 as a number:
Write each power of 10 as a number:
Activity 3: Beyond a Billion - (10 min)
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How would you say the number 1,000,000,000,000?
How would you say the number 1,000,000,000,000?
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How many billions is that? How many millions is it? Explain or show your reasoning.
How many billions is that? How many millions is it? Explain or show your reasoning.
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Write the number using powers of 10.
Write the number using powers of 10.
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Describe an example of something that there are 1,000,000,000,000 of in the world.
Describe an example of something that there are 1,000,000,000,000 of in the world.
Lesson Synthesis: - (5 min)
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How many of the medium sized segments are there?What expression could you write to represent the number of these segments?How does the image represent the expression 10 x 10?
How many of the medium sized segments are there?
What expression could you write to represent the number of these segments?
How does the image represent the expression 10 x 10?
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What expression could you write to represent the number of small segments? How do you know?
What expression could you write to represent the number of small segments? How do you know?
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If you kept going and drew 10 more tiny segments, how many of these would there be?How can we write the number as a power of ten?If I kept going a total of 6 times, how many of the smallest segments would there be?
If you kept going and drew 10 more tiny segments, how many of these would there be?
How can we write the number as a power of ten?
If I kept going a total of 6 times, how many of the smallest segments would there be?
Cool Down: Exponential Notation - (5 min)
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4
Write 10,000 and 100,000 using exponential notation. Explain or show your reasoning.
Write 10,000 and 100,000 using exponential notation. Explain or show your reasoning.
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4
Write this as a number:
Write this as a number:
