Unit 6 - Lesson 2 - Grade 5: Illustrative Mathematics

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24 questions
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Grade 5 Unit 6
Lesson 2: Powers of 10
CC BY 2021 Illustrative MathematicsĀ®
Grade 5 Unit 6
Lesson 2: Powers of 10
CC BY 2021 Illustrative MathematicsĀ®
Lesson: Powers of 10

How Many Do You See: Starburst (Warm Up)

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How many do you see?

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Hosw do you see them?

Population of Delaware and India

About 1,000,000 people live in Delaware.
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1

How many thousands is this? Explain or show your reasoning.

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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.

In 1997, the population of India was about 1,000,000,000.
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How many millions is this? How many thousands is it? Explain or show your reasoning.

1

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.

Powers of 10

Find the missing number that makes each equation true. Show your reasoning.
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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?

Write each power of 10 as a number.
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Beyond a Billion (Optional)

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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.

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Describe an example of something that there are 1,000,000,000,000 of in the world.

Cool Down: Exponential Notation
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Write 10,000 and 100,000 using exponential notation. Explain or show your reasoning.

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Write 106 as a number.