Let's solve the subtraction problems in your worksheet step by step. The task is to
subtract decimals and
round the final answer to the nearest tenth (one decimal place).
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🔍 Instructions:
- Subtract the numbers.
- Round the result to the nearest
tenth (i.e., one digit after the decimal point).
- Remember: if the hundredths digit is 5 or greater, round up; otherwise, round down.
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We’ll go through each problem:
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1.
48.25 – 6.10 = 42.15 → 42.2
(Hundredths digit is 5 → round up)
2.
75.34 – 4.50 = 70.84 → 70.8
(Hundredths digit is 4 → round down)
3.
19.38 – 6.20 = 13.18 → 13.2
(Hundredths digit is 8 → round up)
4.
63.52 – 6.10 = 57.42 → 57.4
(Hundredths digit is 2 → round down)
5.
12.39 – 8.10 = 4.29 → 4.3
(Hundredths digit is 9 → round up)
6.
31.25 – 6.10 = 25.15 → 25.2
(Hundredths digit is 5 → round up)
7.
96.10 – 8.10 = 88.00 → 88.0
(Already exact)
8.
28.57 – 6.10 = 22.47 → 22.5
(Hundredths digit is 7 → round up)
9.
96.75 – 8.10 = 88.65 → 88.7
(Hundredths digit is 5 → round up)
10.
92.17 – 8.10 = 84.07 → 84.1
(Hundredths digit is 7 → round up)
11.
31.67 – 8.10 = 23.57 → 23.6
(Hundredths digit is 7 → round up)
12.
57.92 – 8.10 = 49.82 → 49.8
(Hundredths digit is 2 → round down)
13.
57.49 – 8.10 = 49.39 → 49.4
(Hundredths digit is 9 → round up)
14.
62.16 – 8.10 = 54.06 → 54.1
(Hundredths digit is 6 → round up)
15.
47.26 – 8.10 = 39.16 → 39.2
(Hundredths digit is 6 → round up)
16.
46.54 – 8.10 = 38.44 → 38.4
(Hundredths digit is 4 → round down)
17.
88.35 – 8.10 = 80.25 → 80.3
(Hundredths digit is 5 → round up)
18.
81.85 – 8.10 = 73.75 → 73.8
(Hundredths digit is 5 → round up)
19.
71.08 – 8.10 = 62.98 → 63.0
(Hundredths digit is 8 → round up → 63.0)
20.
73.83 – 8.10 = 65.73 → 65.7
(Hundredths digit is 3 → round down)
21.
61.08 – 8.10 = 52.98 → 53.0
(Hundredths digit is 8 → round up → 53.0)
22.
73.86 – 8.10 = 65.76 → 65.8
(Hundredths digit is 6 → round up)
23.
80.69 – 8.10 = 72.59 → 72.6
(Hundredths digit is 9 → round up)
24.
48.94 – 8.10 = 40.84 → 40.8
(Hundredths digit is 4 → round down)
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✔ Final Answers (Rounded to the Nearest Tenth):
| Problem | Answer |
|--------|--------|
| 1 | 42.2 |
| 2 | 70.8 |
| 3 | 13.2 |
| 4 | 57.4 |
| 5 | 4.3 |
| 6 | 25.2 |
| 7 | 88.0 |
| 8 | 22.5 |
| 9 | 88.7 |
| 10 | 84.1 |
| 11 | 23.6 |
| 12 | 49.8 |
| 13 | 49.4 |
| 14 | 54.1 |
| 15 | 39.2 |
| 16 | 38.4 |
| 17 | 80.3 |
| 18 | 73.8 |
| 19 | 63.0 |
| 20 | 65.7 |
| 21 | 53.0 |
| 22 | 65.8 |
| 23 | 72.6 |
| 24 | 40.8 |
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✔ All answers are rounded to the nearest tenth as requested.
Let me know if you'd like this in a printable format or need help with any specific problem!
Parent Tip: Review the logic above to help your child master the concept of multiplication and division of decimals worksheet.
