# 3.NBT.1 Use place value understanding to round whole numbers to the nearest 100

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Curipod lesson about topic "3.NBT.1 Use place value understanding to round whole numbers to the near

## tbibler

Updated 5 months ago

1. Word cloud
120 seconds
If rounding to the nearest 100, would you around 527 to 500 or 600?
2. Slide
60 seconds
Rounding is a technique used to simplify numbers. We round numbers to the nearest 100 by looking at the tens and ones place. To round to the nearest hundred, you must first identify which way the number should go.
Rounding Whole Numbers to the Nearest Hundred
3. Slide
60 seconds
Place Value: The value of each digit in a number based on its position in the number. Rounding: Simplifying a number by changing it to the nearest multiple of 10, 100, 1000, etc. WHY learn about rounding?! If helps us strengthen our mental math skills.
Concepts:
4. Slide
60 seconds
The ancient Egyptians used a form of rounding over 4000 years ago! The symbol '~' is used to represent rounding in mathematics. Rounding numbers can also be done with decimal numbers! Think of when we use the next dollar up strategies!
Fun facts:
5. Open question
660 seconds
If the number 756 rounds to 800, what is the number that rounds to 700?
6. Slide
60 seconds
7. Poll
20 seconds
Work together in pairs: What strategies can you use to help you remember how to round whole numbers to the nearest 100?
• Rounding Roller Coaster
• Place Value Chart
• 0-4 Ignore & 5 or more go up one more.
8. Drawings
450 seconds
Brain break: Draw a picture of a cat playing the guitar.
9. Poll
300 seconds
What is the nearest 100 of the number 326?
• 30
• 300
• 320
• 400
10. Poll
300 seconds
What is the nearest 100 of the number 951?
• 900
• 910
• 950
• 1000
11. Poll
300 seconds
What is the nearest 100 of the number 77?
• 0
• 50
• 70
• 100
12. Poll
300 seconds
What is the nearest 100 of the number 437?
• 400
• 410
• 430
• 440
13. Poll
300 seconds
What is the nearest 100 of the number 546?
• 500
• 510
• 540
• 550