Grade 3 Rounding Worksheets | Free Printables | Math Worksheets - Free Printable

Let’s go step by step to round each number correctly.

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Rounding to the nearest 10:

We look at the ones digit (the last digit).
- If it’s 5 or more, we round up.
- If it’s 4 or less, we round down.

1. 35 → ones digit is 5 → round up → 40
2. 78 → ones digit is 8 → round up → 80
3. 13 → ones digit is 3 → round down → 10
4. 65 → ones digit is 5 → round up → 70
5. 58 → ones digit is 8 → round up → 60
6. 42 → ones digit is 2 → round down → 40
7. 49 → ones digit is 9 → round up → 50
8. 31 → ones digit is 1 → round down → 30
9. 55 → ones digit is 5 → round up → 60
10. 18 → ones digit is 8 → round up → 20

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Rounding to the nearest 100:

We look at the tens digit (second from right).
- If it’s 5 or more, we round up.
- If it’s 4 or less, we round down.

11. 870 → tens digit is 7 → round up → 900
12. 362 → tens digit is 6 → round up → 400
13. 419 → tens digit is 1 → round down → 400
14. 162 → tens digit is 6 → round up → 200
15. 812 → tens digit is 1 → round down → 800
16. 450 → tens digit is 5 → round up → 500
17. 525 → tens digit is 2 → round down → 500
18. 699 → tens digit is 9 → round up → 700
19. 360 → tens digit is 6 → round up → 400
20. 250 → tens digit is 5 → round up → 300

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Final Answer:
1. 40
2. 80
3. 10
4. 70
5. 60
6. 40
7. 50
8. 30
9. 60
10. 20
11. 900
12. 400
13. 400
14. 200
15. 800
16. 500
17. 500
18. 700
19. 400
20. 300