Grade 5 worksheet for adding decimals with one or two decimal digits.
A Grade 5 math worksheet titled "Adding decimals (1 or 2 decimal digits)" from K5 Learning, featuring 20 problems for adding decimal numbers with one or two decimal places.
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Show Answer Key & Explanations
Step-by-step solution for: Grade 5 Addition & Subtraction of Decimals Worksheets | Fiche d ...
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Show Answer Key & Explanations
Step-by-step solution for: Grade 5 Addition & Subtraction of Decimals Worksheets | Fiche d ...
Let's solve each of the decimal addition problems on the worksheet step by step. The goal is to add decimals with 1 or 2 decimal digits. We’ll align the decimal points and add as we do with whole numbers, carrying over when needed.
---
9.7 + 1.70 = ?
- Align decimals:
```
9.70
+ 1.70
------
11.40
```
- Answer: 11.40 (or 11.4)
---
0.41 + 8.3 = ?
- Rewrite 8.3 as 8.30:
```
0.41
+ 8.30
------
8.71
```
- Answer: 8.71
---
0.92 + 1.82 = ?
```
0.92
+ 1.82
------
2.74
```
- Answer: 2.74
---
0.97 + 19.1 = ?
- Rewrite 19.1 as 19.10:
```
0.97
+ 19.10
-------
20.07
```
- Answer: 20.07
---
4.9 + 9.9 = ?
- Rewrite both as 4.90 and 9.90:
```
4.90
+ 9.90
-------
14.80
```
- Answer: 14.80 or 14.8
---
1.10 + 13.1 = ?
- Rewrite 13.1 as 13.10:
```
1.10
+ 13.10
-------
14.20
```
- Answer: 14.20 or 14.2
---
5.9 + 15.6 = ?
- Rewrite as 5.90 and 15.60:
```
5.90
+ 15.60
-------
21.50
```
- Answer: 21.50 or 21.5
---
13.8 + 1.67 = ?
- Rewrite 13.8 as 13.80:
```
13.80
+ 1.67
-------
15.47
```
- Answer: 15.47
---
0.19 + 7.1 = ?
- Rewrite 7.1 as 7.10:
```
0.19
+ 7.10
-------
7.29
```
- Answer: 7.29
---
1.76 + 9.1 = ?
- Rewrite 9.1 as 9.10:
```
1.76
+ 9.10
-------
10.86
```
- Answer: 10.86
---
0.52 + 1.37 = ?
```
0.52
+ 1.37
-------
1.89
```
- Answer: 1.89
---
1.86 + 0.34 = ?
```
1.86
+ 0.34
-------
2.20
```
- Answer: 2.20 or 2.2
---
0.93 + 1.07 = ?
```
0.93
+ 1.07
-------
2.00
```
- Answer: 2.00 or 2
---
1.08 + 0.42 = ?
```
1.08
+ 0.42
-------
1.50
```
- Answer: 1.50 or 1.5
---
12.1 + 10.9 = ?
- Rewrite as 12.10 and 10.90:
```
12.10
+ 10.90
-------
23.00
```
- Answer: 23.00 or 23
---
0.33 + 1.74 = ?
```
0.33
+ 1.74
-------
2.07
```
- Answer: 2.07
---
20.0 + 0.11 = ?
```
20.00
+ 0.11
-------
20.11
```
- Answer: 20.11
---
0.77 + 14.6 = ?
- Rewrite 14.6 as 14.60:
```
0.77
+ 14.60
-------
15.37
```
- Answer: 15.37
---
1.46 + 0.33 = ?
```
1.46
+ 0.33
-------
1.79
```
- Answer: 1.79
---
0.38 + 11.3 = ?
- Rewrite 11.3 as 11.30:
```
0.38
+ 11.30
-------
11.68
```
- Answer: 11.68
---
| Problem | Answer |
|--------|------------|
| 1 | 11.4 |
| 2 | 8.71 |
| 3 | 2.74 |
| 4 | 20.07 |
| 5 | 14.8 |
| 6 | 14.2 |
| 7 | 21.5 |
| 8 | 15.47 |
| 9 | 7.29 |
| 10 | 10.86 |
| 11 | 1.89 |
| 12 | 2.2 |
| 13 | 2 |
| 14 | 1.5 |
| 15 | 23 |
| 16 | 2.07 |
| 17 | 20.11 |
| 18 | 15.37 |
| 19 | 1.79 |
| 20 | 11.68 |
---
1. Align the decimal points vertically.
2. Add zeros to make the number of decimal places equal if needed.
3. Add just like whole numbers.
4. Place the decimal point in the answer directly below the others.
Let me know if you'd like this as a printable PDF or want explanations for any specific problem!
---
Problem 1:
9.7 + 1.70 = ?
- Align decimals:
```
9.70
+ 1.70
------
11.40
```
- Answer: 11.40 (or 11.4)
---
Problem 2:
0.41 + 8.3 = ?
- Rewrite 8.3 as 8.30:
```
0.41
+ 8.30
------
8.71
```
- Answer: 8.71
---
Problem 3:
0.92 + 1.82 = ?
```
0.92
+ 1.82
------
2.74
```
- Answer: 2.74
---
Problem 4:
0.97 + 19.1 = ?
- Rewrite 19.1 as 19.10:
```
0.97
+ 19.10
-------
20.07
```
- Answer: 20.07
---
Problem 5:
4.9 + 9.9 = ?
- Rewrite both as 4.90 and 9.90:
```
4.90
+ 9.90
-------
14.80
```
- Answer: 14.80 or 14.8
---
Problem 6:
1.10 + 13.1 = ?
- Rewrite 13.1 as 13.10:
```
1.10
+ 13.10
-------
14.20
```
- Answer: 14.20 or 14.2
---
Problem 7:
5.9 + 15.6 = ?
- Rewrite as 5.90 and 15.60:
```
5.90
+ 15.60
-------
21.50
```
- Answer: 21.50 or 21.5
---
Problem 8:
13.8 + 1.67 = ?
- Rewrite 13.8 as 13.80:
```
13.80
+ 1.67
-------
15.47
```
- Answer: 15.47
---
Problem 9:
0.19 + 7.1 = ?
- Rewrite 7.1 as 7.10:
```
0.19
+ 7.10
-------
7.29
```
- Answer: 7.29
---
Problem 10:
1.76 + 9.1 = ?
- Rewrite 9.1 as 9.10:
```
1.76
+ 9.10
-------
10.86
```
- Answer: 10.86
---
Problem 11:
0.52 + 1.37 = ?
```
0.52
+ 1.37
-------
1.89
```
- Answer: 1.89
---
Problem 12:
1.86 + 0.34 = ?
```
1.86
+ 0.34
-------
2.20
```
- Answer: 2.20 or 2.2
---
Problem 13:
0.93 + 1.07 = ?
```
0.93
+ 1.07
-------
2.00
```
- Answer: 2.00 or 2
---
Problem 14:
1.08 + 0.42 = ?
```
1.08
+ 0.42
-------
1.50
```
- Answer: 1.50 or 1.5
---
Problem 15:
12.1 + 10.9 = ?
- Rewrite as 12.10 and 10.90:
```
12.10
+ 10.90
-------
23.00
```
- Answer: 23.00 or 23
---
Problem 16:
0.33 + 1.74 = ?
```
0.33
+ 1.74
-------
2.07
```
- Answer: 2.07
---
Problem 17:
20.0 + 0.11 = ?
```
20.00
+ 0.11
-------
20.11
```
- Answer: 20.11
---
Problem 18:
0.77 + 14.6 = ?
- Rewrite 14.6 as 14.60:
```
0.77
+ 14.60
-------
15.37
```
- Answer: 15.37
---
Problem 19:
1.46 + 0.33 = ?
```
1.46
+ 0.33
-------
1.79
```
- Answer: 1.79
---
Problem 20:
0.38 + 11.3 = ?
- Rewrite 11.3 as 11.30:
```
0.38
+ 11.30
-------
11.68
```
- Answer: 11.68
---
✔ Final Answers:
| Problem | Answer |
|--------|------------|
| 1 | 11.4 |
| 2 | 8.71 |
| 3 | 2.74 |
| 4 | 20.07 |
| 5 | 14.8 |
| 6 | 14.2 |
| 7 | 21.5 |
| 8 | 15.47 |
| 9 | 7.29 |
| 10 | 10.86 |
| 11 | 1.89 |
| 12 | 2.2 |
| 13 | 2 |
| 14 | 1.5 |
| 15 | 23 |
| 16 | 2.07 |
| 17 | 20.11 |
| 18 | 15.37 |
| 19 | 1.79 |
| 20 | 11.68 |
---
🔍 Tips for Adding Decimals:
1. Align the decimal points vertically.
2. Add zeros to make the number of decimal places equal if needed.
3. Add just like whole numbers.
4. Place the decimal point in the answer directly below the others.
Let me know if you'd like this as a printable PDF or want explanations for any specific problem!
Parent Tip: Review the logic above to help your child master the concept of worksheet on decimal.