Practice rounding decimals to the nearest whole number with this printable math worksheet.

Sure! Let’s solve the problem: Round each decimal to the nearest whole number.

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📌 Rounding Rule:

To round a decimal to the nearest whole number:
- Look at the tenths digit (the first digit after the decimal point).
- If it is 5 or greater, round up.
- If it is 4 or less, round down (keep the whole number part as is).

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Let’s go through each number:

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Left Column:

1. 2.45 → Tenths digit = 4 → Round down → 2
2. 2.49 → Tenths digit = 4 → Round down → 2
3. 2.51 → Tenths digit = 5 → Round up → 3
4. 12.51 → Tenths digit = 5 → Round up → 13
5. 16.61 → Tenths digit = 6 → Round up → 17
6. 17.41 → Tenths digit = 4 → Round down → 17
7. 11.51 → Tenths digit = 5 → Round up → 12
8. 11.49 → Tenths digit = 4 → Round down → 11
9. 13.49 → Tenths digit = 4 → Round down → 13
10. 13.51 → Tenths digit = 5 → Round up → 14

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Right Column:

1. 13.9 → Tenths digit = 9 → Round up → 14
2. 13.1 → Tenths digit = 1 → Round down → 13
3. 13.5 → Tenths digit = 5 → Round up → 14
4. 7.5 → Tenths digit = 5 → Round up → 8
5. 8.5 → Tenths digit = 5 → Round up → 9
6. 9.5 → Tenths digit = 5 → Round up → 10
7. 19.5 → Tenths digit = 5 → Round up → 20
8. 29.4 → Tenths digit = 4 → Round down → 29
9. 89.5 → Tenths digit = 5 → Round up → 90
10. 2.4 → Tenths digit = 4 → Round down → 2

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✔ Final Answers:

Left Column:
- 2.45 ≈ 2
- 2.49 ≈ 2
- 2.51 ≈ 3
- 12.51 ≈ 13
- 16.61 ≈ 17
- 17.41 ≈ 17
- 11.51 ≈ 12
- 11.49 ≈ 11
- 13.49 ≈ 13
- 13.51 ≈ 14

Right Column:
- 13.9 ≈ 14
- 13.1 ≈ 13
- 13.5 ≈ 14
- 7.5 ≈ 8
- 8.5 ≈ 9
- 9.5 ≈ 10
- 19.5 ≈ 20
- 29.4 ≈ 29
- 89.5 ≈ 90
- 2.4 ≈ 2

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✔ All done! Each decimal was rounded correctly using the standard rounding rule. Let me know if you’d like to practice more or need a visual explanation!