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Curipod lesson about topic "3.NBT.1 Use place value understanding to round whole numbers to the nearest 100"

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

Made with ❤️ from Norway