Rounding Numbers - Math Worksheets - SplashLearn - Free Printable

Let's solve this rounding practice worksheet step by step.

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🔹 Rounding Rules Reminder:

- To the nearest 10:
Look at the ones digit.
- If it's 5 or more, round up.
- If it's 4 or less, round down.

- To the nearest 100:
Look at the tens digit.
- If it's 50 or more, round up.
- If it's 49 or less, round down.

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## ✔ Part 1: Round to the nearest 10

| # | Number | Rounded to nearest 10 |
|---|--------|------------------------|
| 1 | 65 | 70 (ones digit = 5 → round up) |
| 2 | 56 | 60 (ones digit = 6 → round up) |
| 3 | 32 | 30 (ones digit = 2 → round down) |
| 4 | 81 | 80 (ones digit = 1 → round down) |
| 5 | 28 | 30 (ones digit = 8 → round up) |
| 6 | 30 | 30 (already a multiple of 10) |
| 7 | 49 | 50 (ones digit = 9 → round up) |
| 8 | 19 | 20 (ones digit = 9 → round up) |
| 9 | 42 | 40 (ones digit = 2 → round down) |
|10 | 37 | 40 (ones digit = 7 → round up) |
|11 | 12 | 10 (ones digit = 2 → round down) |
|12 | 63 | 60 (ones digit = 3 → round down) |
|13 | 96 | 100 (ones digit = 6 → round up) |
|14 | 45 | 50 (ones digit = 5 → round up) |
|15 | 74 | 70 (ones digit = 4 → round down) |

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## ✔ Part 2: Round to the nearest 100

| # | Number | Rounded to nearest 100 |
|---|--------|-------------------------|
|16 | 311 | 300 (tens digit = 1 → < 50 → round down) |
|17 | 485 | 500 (tens digit = 8 → ≥ 50 → round up) |
|18 | 296 | 300 (tens digit = 9 → ≥ 50 → round up) |
|19 | 704 | 700 (tens digit = 0 → < 50 → round down) |
|20 | 239 | 200 (tens digit = 3 → < 50 → round down) |
|21 | 672 | 700 (tens digit = 7 → ≥ 50 → round up) |
|22 | 593 | 600 (tens digit = 9 → ≥ 50 → round up) |
|23 | 562 | 600 (tens digit = 6 → ≥ 50 → round up) |
|24 | 925 | 900 (tens digit = 2 → < 50 → round down) |
|25 | 846 | 800 (tens digit = 4 → < 50 → round down) |
|26 | 749 | 700 (tens digit = 4 → < 50 → round down) |
|27 | 365 | 400 (tens digit = 6 → ≥ 50 → round up) |
|28 | 183 | 200 (tens digit = 8 → ≥ 50 → round up) |
|29 | 133 | 100 (tens digit = 3 → < 50 → round down) |
|30 | 654 | 700 (tens digit = 5 → ≥ 50 → round up) |

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✔ Final Answers:

#### Round to the nearest 10:
1. 70
2. 60
3. 30
4. 80
5. 30
6. 30
7. 50
8. 20
9. 40
10. 40
11. 10
12. 60
13. 100
14. 50
15. 70

#### Round to the nearest 100:
16. 300
17. 500
18. 300
19. 700
20. 200
21. 700
22. 600
23. 600
24. 900
25. 800
26. 700
27. 400
28. 200
29. 100
30. 700

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