# Multiplying or Dividing by Powers of 10

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Curipod lesson about topic "Multiplying or Dividing by Powers of 10"

1. Word cloud
60 seconds
How are you feeling today?
2. Poll
20 seconds
The value of 9 in 0.59 is ___ less than the value of 9 in 29.
• 1/10
• 1/100
• 1/100
3. Poll
20 seconds
The value of 4 in 456 is ___ times the value of 4 in 84.
• 10
• 100
• 1000
4. Word cloud
120 seconds
How many zeros are in one million?
5. Slide
60 seconds
5.NBT.A.2 - Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole-number exponents to denote powers of 10.
Learning objective:
6. Slide
60 seconds
Dividing or multiplying by powers of 10 is easy and efficient. It helps to understand how much bigger or smaller a number is. It can be used in a variety of mathematical operations.
Multiplying or Dividing by Powers of 10
7. Slide
60 seconds
Powers of 10: Numbers that are represented as 10 multiplied by itself a certain number of times, such as 10^2 (10x10=100) or 10^3 (10x10x10=1000). Multiplying: The process of adding a number to itself a certain number of times. Dividing: The process of splitting a number into a certain number of equal parts.
Concepts:
8. Slide
60 seconds
Multiplying by powers of 10 shifts the number to the left. Left is larger.
Multiplying by Powers of 10
9. Slide
60 seconds
Dividing by powers of 10 shifts the number to the right. Right is smaller.
Dividing by Powers of 10
10. Slide
60 seconds
The first calculator was invented in 1642. The largest known prime number has 24,862,048 digits! A googol is the number one followed by one hundred zeroes (1 x 10^100).
Fun facts:
11. Open question
660 seconds
Work together in pairs: What is the result of multiplying 25 by 1000?
12. Open question
660 seconds
Work together in pairs: If 4,937 is divided by 1,000, what is the result?
13. Drawings
420 seconds
Brain break: Draw a picture of a robot that is made entirely out of food!
14. Poll
300 seconds
What is the result of dividing 100 by 10?
• 10
• 5
• 1000
• 100
15. Poll
300 seconds
What is the result of multiplying 10 by 10?
• 100
• 10
• 50
• 500
16. Poll
300 seconds
What is the result of dividing 1000 by 10?
• 100
• 500
• 10
• 1000
17. Poll
300 seconds
What is the result of multiplying 100 by 10?
• 1000
• 5
• 10
• 100
18. Poll
300 seconds
What is the result of dividing 10 by 10?
• 1
• 1000
• 10
• 100
19. Word cloud
60 seconds
What did you learn today?