Rounding decimals worksheet for students to practice rounding to the nearest tenth and hundredth.

Let's solve the rounding problem step by step. The task is to round decimal numbers to the nearest tenth (which means we look at the hundredths digit to decide whether to round up or down).

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🔍 Rounding Rule:

- Look at the hundredths digit (the second digit after the decimal point).
- If it’s 5 or greater, round up the tenths digit.
- If it’s less than 5, keep the tenths digit the same.

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We’ll go through each number:

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Part 1: Round to the nearest tenth

1. 8.05
- Hundredths digit = 5 → round up
- 8.0 + 0.1 = 8.1

2. 4.25
- Hundredths digit = 5 → round up
- 4.2 + 0.1 = 4.3

3. 5.87
- Hundredths digit = 7 → round up
- 5.8 + 0.1 = 5.9

4. 8.41
- Hundredths digit = 1 → less than 5 → keep same
- 8.4

5. 7.33
- Hundredths digit = 3 → less than 5 → keep same
- 7.3

6. 3.68
- Hundredths digit = 8 → round up
- 3.6 + 0.1 = 3.7

7. 5.09
- Hundredths digit = 9 → round up
- 5.0 + 0.1 = 5.1

8. 6.13
- Hundredths digit = 3 → less than 5 → keep same
- 6.1

9. 5.28
- Hundredths digit = 8 → round up
- 5.2 + 0.1 = 5.3

10. 3.97
- Hundredths digit = 7 → round up
- 3.9 + 0.1 = 4.0

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Part 2: Round to the nearest hundredth

Now, for these, we need to round to the nearest hundredth, so we look at the thousandths digit (third digit after decimal).

11. 2.621
- Thousandths digit = 1 → less than 5 → keep hundredths digit same
- 2.62

12. 1.458
- Thousandths digit = 8 → round up
- 1.45 + 0.01 = 1.46

13. 9.352
- Thousandths digit = 2 → less than 5 → keep same
- 9.35

14. 8.743
- Thousandths digit = 3 → less than 5 → keep same
- 8.74

15. 2.038
- Thousandths digit = 8 → round up
- 2.03 + 0.01 = 2.04

16. 3.227
- Thousandths digit = 7 → round up
- 3.22 + 0.01 = 3.23

17. 4.096
- Thousandths digit = 6 → round up
- 4.09 + 0.01 = 4.10

18. 8.053
- Thousandths digit = 3 → less than 5 → keep same
- 8.05

19. 6.582
- Thousandths digit = 2 → less than 5 → keep same
- 6.58

20. 2.267
- Thousandths digit = 7 → round up
- 2.26 + 0.01 = 2.27

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✔ Final Answers:

#### Round to the nearest tenth:
1. 8.1
2. 4.3
3. 5.9
4. 8.4
5. 7.3
6. 3.7
7. 5.1
8. 6.1
9. 5.3
10. 4.0

#### Round to the nearest hundredth:
11. 2.62
12. 1.46
13. 9.35
14. 8.74
15. 2.04
16. 3.23
17. 4.10
18. 8.05
19. 6.58
20. 2.27

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Let me know if you'd like this formatted as a printable answer sheet!