Rounding Numbers worksheet with exercises to round decimals to whole numbers, tenths, and hundredths.

Here's the complete solution with explanations for each rounding task.

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## ✔ Rounding Rules Recap:

- Round to whole number: Look at the tenths digit (1st digit after decimal).
- If ≥ 5 → Round Up
- If < 5 → Round Down

- Round to nearest tenth: Look at the hundredths digit (2nd digit after decimal).
- If ≥ 5 → Round Up
- If < 5 → Round Down

- Round to nearest hundredth: Look at the thousandths digit (3rd digit after decimal).
- If ≥ 5 → Round Up
- If < 5 → Round Down

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## 🔢 Section 1: Round off to the whole number

1. 8.02 → ?

- Tenths digit = 0 → less than 5 → Round Down
- → 8
✔ Answer: 8 | Round Down

2. 62.783 → ?

- Tenths digit = 7 → ≥ 5 → Round Up
- → 63
✔ Answer: 63 | Round Up

3. 31.490 → ?

- Tenths digit = 4 → less than 5 → Round Down
- → 31
✔ Answer: 31 | Round Down

4. 96.567 → ?

- Tenths digit = 5 → ≥ 5 → Round Up
- → 97
✔ Answer: 97 | Round Up

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## 📏 Section 2: Round off to the nearest tenth

1. 613.03 → ?

- Hundredths digit = 3 → less than 5 → Round Down
- → 613.0
✔ Answer: 613.0 | Round Down

2. 7.92 → ?

- Hundredths digit = 2 → less than 5 → Round Down
- → 7.9
✔ Answer: 7.9 | Round Down

3. 18.462 → ?

- Hundredths digit = 6 → ≥ 5 → Round Up
- → 18.5
✔ Answer: 18.5 | Round Up

4. 45.819 → ?

- Hundredths digit = 1 → less than 5 → Round Down
- → 45.8
✔ Answer: 45.8 | Round Down

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## 💰 Section 3: Round off to the nearest hundredth

1. 0.999 → ?

- Thousandths digit = 9 → ≥ 5 → Round Up
- 0.99 + 0.01 = 1.00
✔ Answer: 1.00 | Round Up

> ⚠️ Note: Rounding up 0.999 makes it 1.00 — this is correct!

2. 3.781 → ?

- Thousandths digit = 1 → less than 5 → Round Down
- → 3.78
✔ Answer: 3.78 | Round Down

3. 51.243 → ?

- Thousandths digit = 3 → less than 5 → Round Down
- → 51.24
✔ Answer: 51.24 | Round Down

4. 86.136 → ?

- Thousandths digit = 6 → ≥ 5 → Round Up
- → 86.14
✔ Answer: 86.14 | Round Up

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## ✔ Final Answers Summary:

Round to Whole Number:

- 8.02 → 8 | Round Down
- 62.783 → 63 | Round Up
- 31.490 → 31 | Round Down
- 96.567 → 97 | Round Up

Round to Nearest Tenth:

- 613.03 → 613.0 | Round Down
- 7.92 → 7.9 | Round Down
- 18.462 → 18.5 | Round Up
- 45.819 → 45.8 | Round Down

Round to Nearest Hundredth:

- 0.999 → 1.00 | Round Up
- 3.781 → 3.78 | Round Down
- 51.243 → 51.24 | Round Down
- 86.136 → 86.14 | Round Up

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