Sure! Let’s solve each problem step by step. The task is to
round each decimal to the nearest whole number.
---
🔢 Rounding Rule:
To round a decimal to the nearest whole number, look at the
digit in the tenths place (the first digit after the decimal point):
- If it’s
5 or greater, round
up.
- If it’s
4 or less, round
down (keep the whole number the same).
---
✔ Solutions:
1)
3.4 → Tenths digit is
4 → Round
down →
3
2)
58.69 → Tenths digit is
6 → Round
up →
59
3)
11.87 → Tenths digit is
8 → Round
up →
12
4)
4.05 → Tenths digit is
0 → Round
down →
4
5)
85.16 → Tenths digit is
1 → Round
down →
85
6)
7.58 → Tenths digit is
5 → Round
up →
8
7)
5.97 → Tenths digit is
9 → Round
up →
6
8)
96.1 → Tenths digit is
1 → Round
down →
96
9)
27.1 → Tenths digit is
1 → Round
down →
27
10)
6.73 → Tenths digit is
7 → Round
up →
7
11)
1.42 → Tenths digit is
4 → Round
down →
1
12)
39.6 → Tenths digit is
6 → Round
up →
40
---
💎 Word Problems:
13)
The cost of a pearl necklace was $60.55. Round the price to the nearest dollar.
→ Look at the tenths place:
5 → Round
up →
$61
*(Note: Even though we’re dealing with money, we still use the same rounding rule — 0.5 and above rounds up.)*
✔ Answer:
$61
---
14)
Richard drinks 1.26 gallons of water every day. Round this quantity to the nearest gallon.
→ Tenths digit is
2 → Round
down →
1 gallon
✔ Answer:
1 gallon
---
📝 Final Answers:
1) 3
2) 59
3) 12
4) 4
5) 85
6) 8
7) 6
8) 96
9) 27
10) 7
11) 1
12) 40
13) $61
14) 1 gallon
---
Let me know if you’d like a visual explanation or practice more rounding problems! 😊
Parent Tip: Review the logic above to help your child master the concept of rounding decimals to the nearest whole number worksheet.