Rounding decimals worksheet for math practice.
Worksheet titled "Rounding Decimals" with two sections of decimal numbers to round to the nearest hundredth, including a "How Did You Do?" section with smiley faces.
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Step-by-step solution for: Rounding Decimals Worksheets - 15 Worksheets Library
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Show Answer Key & Explanations
Step-by-step solution for: Rounding Decimals Worksheets - 15 Worksheets Library
Sure! Let’s solve the worksheet “Rounding Decimals” step by step.
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## 🎯 Goal:
Round each decimal number to the nearest hundredth.
> 💡 Remember: The hundredth place is the second digit after the decimal point.
> - Look at the third digit after the decimal (thousandths place) to decide whether to round up or down.
> - If it’s 5 or greater → round up the hundredth digit by 1.
> - If it’s 4 or less → leave the hundredth digit unchanged.
---
# ✔ Section 1: Round each number to the nearest hundredth
- Hundredth digit: 5
- Thousandth digit: 8 → 8 ≥ 5 → round up
- 5 + 1 = 6 → 2.66
- Hundredth digit: 9
- Thousandth digit: 4 → 4 < 5 → keep 9
- 2.29
- Hundredth digit: 6
- Thousandth digit: 4 → 4 < 5 → keep 6
- 2.46
- Hundredth digit: 1
- Thousandth digit: 5 → 5 ≥ 5 → round up
- 1 + 1 = 2 → 7.52
- Hundredth digit: 7
- Thousandth digit: 9 → 9 ≥ 5 → round up
- 7 + 1 = 8 → 1.98
- Hundredth digit: 9
- Thousandth digit: 4 → 4 < 5 → keep 9
- 1.39
- Hundredth digit: 9
- Thousandth digit: 5 → 5 ≥ 5 → round up
- 9 + 1 = 10 → carry over → 4.60
- Hundredth digit: 5
- Thousandth digit: 7 → 7 ≥ 5 → round up
- 5 + 1 = 6 → 5.96
- Hundredth digit: 8
- Thousandth digit: 4 → 4 < 5 → keep 8
- 7.98
- Hundredth digit: 4
- Thousandth digit: 6 → 6 ≥ 5 → round up
- 4 + 1 = 5 → 8.35
---
# ✔ Section 2: Round each number to the nearest hundredth
- Focus on first 3 decimals: 4.486
- Hundredth digit: 8
- Thousandth digit: 6 → 6 ≥ 5 → round up
- 8 + 1 = 9 → 4.49
- First 3 decimals: 2.989
- Hundredth digit: 8
- Thousandth digit: 9 → 9 ≥ 5 → round up
- 8 + 1 = 9 → 2.99
- First 3 decimals: 2.571
- Hundredth digit: 7
- Thousandth digit: 1 → 1 < 5 → keep 7
- 2.57
- First 3 decimals: 9.246
- Hundredth digit: 4
- Thousandth digit: 6 → 6 ≥ 5 → round up
- 4 + 1 = 5 → 9.25
- First 3 decimals: 8.467
- Hundredth digit: 6
- Thousandth digit: 7 → 7 ≥ 5 → round up
- 6 + 1 = 7 → 8.47
- First 3 decimals: 2.329
- Hundredth digit: 2
- Thousandth digit: 9 → 9 ≥ 5 → round up
- 2 + 1 = 3 → 2.33
- First 3 decimals: 6.562
- Hundredth digit: 6
- Thousandth digit: 2 → 2 < 5 → keep 6
- 6.56
- First 3 decimals: 4.691
- Hundredth digit: 9
- Thousandth digit: 1 → 1 < 5 → keep 9
- 4.69
- First 3 decimals: 1.453
- Hundredth digit: 5
- Thousandth digit: 3 → 3 < 5 → keep 5
- 1.45
- First 3 decimals: 5.566
- Hundredth digit: 6
- Thousandth digit: 6 → 6 ≥ 5 → round up
- 6 + 1 = 7 → 5.57
---
# 📝 Final Answers:
## Section 1:
1) 2.66
2) 2.29
3) 2.46
4) 7.52
5) 1.98
6) 1.39
7) 4.60
8) 5.96
9) 7.98
10) 8.35
## Section 2:
1) 4.49
2) 2.99
3) 2.57
4) 9.25
5) 8.47
6) 2.33
7) 6.56
8) 4.69
9) 1.45
10) 5.57
---
✔ You’re done! If you got most or all correct — great job! 😊
If you made a few mistakes, that’s okay — rounding takes practice!
Let me know if you’d like a printable version or flashcards for practice!
---
## 🎯 Goal:
Round each decimal number to the nearest hundredth.
> 💡 Remember: The hundredth place is the second digit after the decimal point.
> - Look at the third digit after the decimal (thousandths place) to decide whether to round up or down.
> - If it’s 5 or greater → round up the hundredth digit by 1.
> - If it’s 4 or less → leave the hundredth digit unchanged.
---
# ✔ Section 1: Round each number to the nearest hundredth
1) 2.658
- Hundredth digit: 5
- Thousandth digit: 8 → 8 ≥ 5 → round up
- 5 + 1 = 6 → 2.66
2) 2.294
- Hundredth digit: 9
- Thousandth digit: 4 → 4 < 5 → keep 9
- 2.29
3) 2.464
- Hundredth digit: 6
- Thousandth digit: 4 → 4 < 5 → keep 6
- 2.46
4) 7.515
- Hundredth digit: 1
- Thousandth digit: 5 → 5 ≥ 5 → round up
- 1 + 1 = 2 → 7.52
5) 1.979
- Hundredth digit: 7
- Thousandth digit: 9 → 9 ≥ 5 → round up
- 7 + 1 = 8 → 1.98
6) 1.394
- Hundredth digit: 9
- Thousandth digit: 4 → 4 < 5 → keep 9
- 1.39
7) 4.595
- Hundredth digit: 9
- Thousandth digit: 5 → 5 ≥ 5 → round up
- 9 + 1 = 10 → carry over → 4.60
8) 5.957
- Hundredth digit: 5
- Thousandth digit: 7 → 7 ≥ 5 → round up
- 5 + 1 = 6 → 5.96
9) 7.984
- Hundredth digit: 8
- Thousandth digit: 4 → 4 < 5 → keep 8
- 7.98
10) 8.346
- Hundredth digit: 4
- Thousandth digit: 6 → 6 ≥ 5 → round up
- 4 + 1 = 5 → 8.35
---
# ✔ Section 2: Round each number to the nearest hundredth
1) 4.4865
- Focus on first 3 decimals: 4.486
- Hundredth digit: 8
- Thousandth digit: 6 → 6 ≥ 5 → round up
- 8 + 1 = 9 → 4.49
2) 2.9893
- First 3 decimals: 2.989
- Hundredth digit: 8
- Thousandth digit: 9 → 9 ≥ 5 → round up
- 8 + 1 = 9 → 2.99
3) 2.5715
- First 3 decimals: 2.571
- Hundredth digit: 7
- Thousandth digit: 1 → 1 < 5 → keep 7
- 2.57
4) 9.2463
- First 3 decimals: 9.246
- Hundredth digit: 4
- Thousandth digit: 6 → 6 ≥ 5 → round up
- 4 + 1 = 5 → 9.25
5) 8.4679
- First 3 decimals: 8.467
- Hundredth digit: 6
- Thousandth digit: 7 → 7 ≥ 5 → round up
- 6 + 1 = 7 → 8.47
6) 2.3293
- First 3 decimals: 2.329
- Hundredth digit: 2
- Thousandth digit: 9 → 9 ≥ 5 → round up
- 2 + 1 = 3 → 2.33
7) 6.5622
- First 3 decimals: 6.562
- Hundredth digit: 6
- Thousandth digit: 2 → 2 < 5 → keep 6
- 6.56
8) 4.6913
- First 3 decimals: 4.691
- Hundredth digit: 9
- Thousandth digit: 1 → 1 < 5 → keep 9
- 4.69
9) 1.4535
- First 3 decimals: 1.453
- Hundredth digit: 5
- Thousandth digit: 3 → 3 < 5 → keep 5
- 1.45
10) 5.5669
- First 3 decimals: 5.566
- Hundredth digit: 6
- Thousandth digit: 6 → 6 ≥ 5 → round up
- 6 + 1 = 7 → 5.57
---
# 📝 Final Answers:
## Section 1:
1) 2.66
2) 2.29
3) 2.46
4) 7.52
5) 1.98
6) 1.39
7) 4.60
8) 5.96
9) 7.98
10) 8.35
## Section 2:
1) 4.49
2) 2.99
3) 2.57
4) 9.25
5) 8.47
6) 2.33
7) 6.56
8) 4.69
9) 1.45
10) 5.57
---
✔ You’re done! If you got most or all correct — great job! 😊
If you made a few mistakes, that’s okay — rounding takes practice!
Let me know if you’d like a printable version or flashcards for practice!
Parent Tip: Review the logic above to help your child master the concept of estimating decimals worksheet.