Let’s go step by step to round each number correctly.
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Rounding to the nearest 100:
We look at the
tens digit (the second digit from the right).
- If it’s
5 or more, we round up.
- If it’s
less than 5, we round down.
1.
565 → tens digit is 6 → round up →
600
2.
948 → tens digit is 4 → round down →
900
3.
150 → tens digit is 5 → round up →
200
4.
264 → tens digit is 6 → round up →
300
5.
418 → tens digit is 1 → round down →
400
6.
750 → tens digit is 5 → round up →
800
7.
630 → tens digit is 3 → round down →
600
8.
287 → tens digit is 8 → round up →
300
9.
445 → tens digit is 4 → round down →
400
10.
350 → tens digit is 5 → round up →
400
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Rounding to the nearest 1000:
We look at the
hundreds digit (the third digit from the right).
- If it’s
5 or more, we round up.
- If it’s
less than 5, we round down.
11.
7,285 → hundreds digit is 2 → round down →
7,000
12.
1,900 → hundreds digit is 9 → round up →
2,000
13.
2,450 → hundreds digit is 4 → round down →
2,000
14.
5,500 → hundreds digit is 5 → round up →
6,000
15.
9,120 → hundreds digit is 1 → round down →
9,000
16.
3,641 → hundreds digit is 6 → round up →
4,000
17.
7,415 → hundreds digit is 4 → round down →
7,000
18.
3,645 → hundreds digit is 6 → round up →
4,000
19.
2,500 → hundreds digit is 5 → round up →
3,000
20.
6,814 → hundreds digit is 8 → round up →
7,000
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Final Answer:
1. 600
2. 900
3. 200
4. 300
5. 400
6. 800
7. 600
8. 300
9. 400
10. 400
11. 7,000
12. 2,000
13. 2,000
14. 6,000
15. 9,000
16. 4,000
17. 7,000
18. 4,000
19. 3,000
20. 7,000
Parent Tip: Review the logic above to help your child master the concept of round off numbers worksheet.