Let's solve the rounding problems step by step. The worksheet asks you to:
-
Round to the nearest 100 for questions 1–10.
-
Round to the nearest 1000 for questions 11–20.
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🔹 Rounding Rules:
-
To the nearest 100: Look at the
tens digit (the second digit from the right).
- If it’s
5 or more, round
up.
- If it’s
less than 5, round
down.
-
To the nearest 1000: Look at the
hundreds digit (the third digit from the right).
- If it’s
5 or more, round
up.
- If it’s
less than 5, round
down.
---
✔ Solutions:
####
Round to nearest 100:
1.
634 → 600
→ Tens digit is 3 (<5) → round down.
2.
450 → 500
→ Tens digit is 5 → round up.
3.
555 → 600
→ Tens digit is 5 → round up.
4.
819 → 800
→ Tens digit is 1 (<5) → round down.
5.
251 → 300
→ Tens digit is 5 → round up.
6.
875 → 900
→ Tens digit is 7 (>5) → round up.
7.
113 → 100
→ Tens digit is 1 (<5) → round down.
8.
336 → 300
→ Tens digit is 3 (<5) → round down.
9.
850 → 900
→ Tens digit is 5 → round up.
10.
749 → 700
→ Tens digit is 4 (<5) → round down.
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####
Round to nearest 1000:
11.
1,524 → 2,000
→ Hundreds digit is 5 → round up.
12.
2,500 → 3,000
→ Hundreds digit is 5 → round up.
13.
9,230 → 9,000
→ Hundreds digit is 2 (<5) → round down.
14.
8,499 → 8,000
→ Hundreds digit is 4 (<5) → round down.
15.
3,800 → 4,000
→ Hundreds digit is 8 (>5) → round up.
16.
5,500 → 6,000
→ Hundreds digit is 5 → round up.
17.
2,350 → 2,000
→ Hundreds digit is 3 (<5) → round down.
18.
9,210 → 9,000
→ Hundreds digit is 2 (<5) → round down.
19.
6,500 → 7,000
→ Hundreds digit is 5 → round up.
20.
7,700 → 8,000
→ Hundreds digit is 7 (>5) → round up.
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✔ Final Answers:
| # | Answer |
|---|--------|
| 1 | 600 |
| 2 | 500 |
| 3 | 600 |
| 4 | 800 |
| 5 | 300 |
| 6 | 900 |
| 7 | 100 |
| 8 | 300 |
| 9 | 900 |
|10 | 700 |
|11 | 2,000 |
|12 | 3,000 |
|13 | 9,000 |
|14 | 8,000 |
|15 | 4,000 |
|16 | 6,000 |
|17 | 2,000 |
|18 | 9,000 |
|19 | 7,000 |
|20 | 8,000 |
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Let me know if you'd like this in a printable format or with explanations for each! 😊
Parent Tip: Review the logic above to help your child master the concept of rounding numbers worksheet 4th grade.
