3rd Grade Rounding Worksheets | Rounding Numbers to 10 and 100 - Free Printable

Let's solve the rounding problems step by step based on the image you provided.

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Part 1: Round to the nearest 10

We need to round each number to the nearest ten. The rule is:
- If the ones digit is 5 or more, round up.
- If the ones digit is less than 5, round down.

#### Given numbers:

1. 26 → ones digit is 6 → round up → 30
2. 73 → ones digit is 3 → round down → 70
3. 49 → ones digit is 9 → round up → 50
4. 86 → ones digit is 6 → round up → 90
5. 12 → ones digit is 2 → round down → 10
6. 65 → ones digit is 5 → round up → 70
7. 33 → ones digit is 3 → round down → 30
8. 51 → ones digit is 1 → round down → 50
9. 92 → ones digit is 2 → round down → 90

✔ Answers for Part 1:
- 26 → 30
- 73 → 70
- 49 → 50
- 86 → 90
- 12 → 10
- 65 → 70
- 33 → 30
- 51 → 50
- 92 → 90

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Part 2: Round to the nearest 100

Now, we round each number to the nearest hundred. The rule is:
- Look at the tens digit.
- If it’s 5 or more, round up.
- If it’s less than 5, round down.

#### Given numbers:

1. 329 → tens digit is 2 → round down → 300
2. 280 → tens digit is 8 → round up → 300
3. 890 → tens digit is 9 → round up → 900
4. 110 → tens digit is 1 → round down → 100
5. 460 → tens digit is 6 → round up → 500
6. 730 → tens digit is 3 → round down → 700
7. 610 → tens digit is 1 → round down → 600
8. 190 → tens digit is 9 → round up → 200
9. 550 → tens digit is 5 → round up → 600
10. 840 → tens digit is 4 → round down → 800

✔ Answers for Part 2:
- 329 → 300
- 280 → 300
- 890 → 900
- 110 → 100
- 460 → 500
- 730 → 700
- 610 → 600
- 190 → 200
- 550 → 600
- 840 → 800

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✔ Final Answer Summary:

#### Rounded to the nearest 10:
| Number | Rounded |
|--------|---------|
| 26 | 30 |
| 73 | 70 |
| 49 | 50 |
| 86 | 90 |
| 12 | 10 |
| 65 | 70 |
| 33 | 30 |
| 51 | 50 |
| 92 | 90 |

#### Rounded to the nearest 100:
| Number | Rounded |
|--------|---------|
| 329 | 300 |
| 280 | 300 |
| 890 | 900 |
| 110 | 100 |
| 460 | 500 |
| 730 | 700 |
| 610 | 600 |
| 190 | 200 |
| 550 | 600 |
| 840 | 800 |

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Let me know if you'd like this formatted as a printable answer sheet!