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Rounding numbers to the nearest whole and tenth place worksheet.

Rounding up to 2 decimal places worksheet with numbered problems and answer spaces.

Rounding up to 2 decimal places worksheet with numbered problems and answer spaces.

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Show Answer Key & Explanations Step-by-step solution for: Rounding Decimal Places - Rounding numbers to 2dp
It looks like you've uploaded a worksheet titled "Rounding Up to 2 Decimal Places, Sheet 1" from Math-Salamanders.com, which includes several rounding exercises. Since I can't view images directly, I’ll solve the problems based on the text you provided in your message.

Let’s go through each problem step by step and round each number to 2 decimal places.

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🔹 Round these numbers to the nearest whole number



> This section is about rounding to the nearest whole number, not two decimal places. So we'll round to the nearest integer.

1. 5.304 →
Look at the tenths place: 3 < 5 → round down → 5

2. 18.236 →
Tenths digit = 2 < 5 → 18

3. 75.902 →
Tenths digit = 9 ≥ 5 → round up → 76

4. 108.251 →
Tenths digit = 2 < 5 → 108

5. 21.54 →
Tenths digit = 5 → round up → 22

6. 81.629 →
Tenths digit = 6 ≥ 5 → 82

7. 118.86 →
Tenths digit = 8 ≥ 5 → 119

8. 113.08 →
Tenths digit = 0 < 5 → 113

9. 11.312 →
Tenths digit = 3 < 5 → 11

10. 38.429 →
Tenths digit = 4 < 5 → 38

11. 38.158 →
Tenths digit = 1 < 5 → 38

12. 113.194 →
Tenths digit = 1 < 5 → 113

Rounded to nearest whole number:

| Original | Rounded |
|--------|--------|
| 5.304 | 5 |
| 18.236 | 18 |
| 75.902 | 76 |
| 108.251 | 108 |
| 21.54 | 22 |
| 81.629 | 82 |
| 118.86 | 119 |
| 113.08 | 113 |
| 11.312 | 11 |
| 38.429 | 38 |
| 38.158 | 38 |
| 113.194 | 113 |

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🔹 Round these numbers to the nearest tenth



Now rounding to one decimal place (tenths).

1. 18.483 →
Look at hundredths place: 8 ≥ 5 → round up → 18.5

2. 48.18 →
Hundredths = 0 (implied) → 48.2? Wait: 48.18 → hundredths = 8 ≥ 5 → round up → 48.2

3. 73.686 →
Hundredths = 8 ≥ 5 → round up → 73.7

4. 121.812 →
Hundredths = 1 < 5 → 121.8

5. 31.154 →
Hundredths = 5 → round up → 31.2

6. 51.597 →
Hundredths = 9 ≥ 5 → 51.6

7. 81.372 →
Hundredths = 7 ≥ 5 → 81.4

8. 109.024 →
Hundredths = 2 < 5 → 109.0

9. 155.867 →
Hundredths = 6 ≥ 5 → 155.9

10. 51.847 →
Hundredths = 4 < 5 → 51.8

Rounded to nearest tenth:

| Original | Rounded |
|--------|--------|
| 18.483 | 18.5 |
| 48.18 | 48.2 |
| 73.686 | 73.7 |
| 121.812 | 121.8 |
| 31.154 | 31.2 |
| 51.597 | 51.6 |
| 81.372 | 81.4 |
| 109.024 | 109.0 |
| 155.867 | 155.9 |
| 51.847 | 51.8 |

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🔹 Round these numbers to 2dp



Now rounding to two decimal places (hundredths). Look at the thousandths digit (third decimal place).

1. 31.119 →
Thousandths = 9 ≥ 5 → round up → 31.12

2. 18.1596 →
Thousandths = 9 ≥ 5 → round up → 18.16

3. 33.4186 →
Thousandths = 8 ≥ 5 → round up → 33.42

4. 50.6427 →
Thousandths = 2 < 5 → 50.64

5. 131.2107 →
Thousandths = 0 < 5 → 131.21

6. 21.5829 →
Thousandths = 2 < 5 → 21.58

7. 80.599 →
Thousandths = 9 ≥ 5 → round up → 80.60

8. 100.9012 →
Thousandths = 1 < 5 → 100.90

9. 116.301 →
Thousandths = 0 < 5 → 116.30

10. 140.829 →
Thousandths = 9 ≥ 5 → round up → 140.83

11. 11.0807 →
Thousandths = 0 < 5 → 11.08

12. 41.888 →
Thousandths = 8 ≥ 5 → round up → 41.89

13. 110.999 →
Thousandths = 9 ≥ 5 → round up → 111.00

14. 110.0572 →
Thousandths = 7 ≥ 5 → round up → 110.06

15. 131.8408 →
Thousandths = 0 < 5 → 131.84

Rounded to 2 decimal places:

| Original | Rounded |
|--------|--------|
| 31.119 | 31.12 |
| 18.1596 | 18.16 |
| 33.4186 | 33.42 |
| 50.6427 | 50.64 |
| 131.2107 | 131.21 |
| 21.5829 | 21.58 |
| 80.599 | 80.60 |
| 100.9012 | 100.90 |
| 116.301 | 116.30 |
| 140.829 | 140.83 |
| 11.0807 | 11.08 |
| 41.888 | 41.89 |
| 110.999 | 111.00 |
| 110.0572 | 110.06 |
| 131.8408 | 131.84 |

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Final Answer Summary



#### Nearest Whole Number
- 5.304 → 5
- 18.236 → 18
- 75.902 → 76
- 108.251 → 108
- 21.54 → 22
- 81.629 → 82
- 118.86 → 119
- 113.08 → 113
- 11.312 → 11
- 38.429 → 38
- 38.158 → 38
- 113.194 → 113

#### Nearest Tenth
- 18.483 → 18.5
- 48.18 → 48.2
- 73.686 → 73.7
- 121.812 → 121.8
- 31.154 → 31.2
- 51.597 → 51.6
- 81.372 → 81.4
- 109.024 → 109.0
- 155.867 → 155.9
- 51.847 → 51.8

#### To 2 Decimal Places
- 31.119 → 31.12
- 18.1596 → 18.16
- 33.4186 → 33.42
- 50.6427 → 50.64
- 131.2107 → 131.21
- 21.5829 → 21.58
- 80.599 → 80.60
- 100.9012 → 100.90
- 116.301 → 116.30
- 140.829 → 140.83
- 11.0807 → 11.08
- 41.888 → 41.89
- 110.999 → 111.00
- 110.0572 → 110.06
- 131.8408 → 131.84

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📝 Explanation of Rounding Rules:


- To round to a certain place, look at the next digit.
- If it's 5 or more, round up.
- If it's less than 5, round down.
- For example, rounding 110.999 to 2dp:
- 2nd decimal: 9
- 3rd decimal: 9 → ≥ 5 → round up → 110.99 + 0.01 = 111.00

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Parent Tip: Review the logic above to help your child master the concept of rounding place value worksheet.
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