Sure! Let’s solve each rounding problem step by step and explain the rules used.
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## 🔢
Rounding Rules Recap:
-
To nearest 1,000: Look at the
hundreds digit.
- If ≥ 5 → round
up
- If < 5 → round
down
-
To nearest 10,000: Look at the
thousands digit.
- If ≥ 5 → round
up
- If < 5 → round
down
-
To 1 decimal place (tenths): Look at the
hundredths digit.
- If ≥ 5 → round
up
- If < 5 → round
down
-
To 2 decimal places (hundredths): Look at the
thousandths digit.
- If ≥ 5 → round
up
- If < 5 → round
down
---
##
✔ SOLUTIONS
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Round to nearest 1,000
1. 24,250 → ?
→ Hundreds digit =
2 (< 5) → round
down
→
24,000
2. 19,800 → ?
→ Hundreds digit =
8 (≥ 5) → round
up
→
20,000
3. 59,300 → ?
→ Hundreds digit =
3 (< 5) → round
down
→
59,000
4. 68,500 → ?
→ Hundreds digit =
5 (≥ 5) → round
up
→
69,000
5. 36,590 → ?
→ Hundreds digit =
5 (≥ 5) → round
up
→
37,000
---
Round to nearest 10,000
6. 47,500 → ?
→ Thousands digit =
7 (≥ 5) → round
up
→
50,000
7. 35,000 → ?
→ Thousands digit =
5 (≥ 5) → round
up
→
40,000
8. 27,800 → ?
→ Thousands digit =
7 (≥ 5) → round
up
→
30,000
9. 84,250 → ?
→ Thousands digit =
4 (< 5) → round
down
→
80,000
10. 92,350 → ?
→ Thousands digit =
2 (< 5) → round
down
→
90,000
---
Round to 1 decimal place
11. 4.23 → ?
→ Hundredths digit =
3 (< 5) → round
down
→
4.2
12. 6.85 → ?
→ Hundredths digit =
5 (≥ 5) → round
up
→
6.9
13. 9.74 → ?
→ Hundredths digit =
4 (< 5) → round
down
→
9.7
14. 12.45 → ?
→ Hundredths digit =
5 (≥ 5) → round
up
→
12.5
15. 53.65 → ?
→ Hundredths digit =
5 (≥ 5) → round
up
→
53.7
---
Round to 2 decimal places
16. 27.415 → ?
→ Thousandths digit =
5 (≥ 5) → round
up
→
27.42
17. 93.645 → ?
→ Thousandths digit =
5 (≥ 5) → round
up
→
93.65
18. 64.234 → ?
→ Thousandths digit =
4 (< 5) → round
down
→
64.23
19. 76.355 → ?
→ Thousandths digit =
5 (≥ 5) → round
up
→
76.36
20. 86.743 → ?
→ Thousandths digit =
3 (< 5) → round
down
→
86.74
---
## 📋
Final Answers:
1.
24,000
2.
20,000
3.
59,000
4.
69,000
5.
37,000
6.
50,000
7.
40,000
8.
30,000
9.
80,000
10.
90,000
11.
4.2
12.
6.9
13.
9.7
14.
12.5
15.
53.7
16.
27.42
17.
93.65
18.
64.23
19.
76.36
20.
86.74
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✔ All problems solved using standard rounding rules. Let me know if you want a visual explanation or practice sheet too!
Parent Tip: Review the logic above to help your child master the concept of rounding decimal numbers worksheet.