Let’s solve each decimal addition and subtraction problem step by step, then match the answers to the provided options.
---
Problem 1: $4.36 + $2.59 = ?
Align decimals:
```
4.36
+ 2.59
------
6.95
```
✔ Answer: $6.95
---
Problem 2: 9.8 - 6.4 = ?
Align decimals:
```
9.8
- 6.4
-----
3.4
```
✔ Answer: 3.4
---
Problem 3: 127.34 - 68.5 = ?
Write 68.5 as 68.50 for alignment:
```
127.34
- 68.50
--------
58.84
```
✔ Answer: 58.84
---
Problem 4: 3.926 - 1.581 = ?
Align decimals:
```
3.926
- 1.581
--------
2.345
```
✔ Answer: 2.345
---
Problem 5: 12.9 + 7.38 = ?
Write 12.9 as 12.90:
```
12.90
+ 7.38
-------
20.28
```
✔ Answer: 20.28
---
Problem 6: 4.739 + 1.821 = ?
```
4.739
+ 1.821
--------
6.560
```
✔ Answer: 6.560
---
Problem 7: 11.24 + 6.1 + 9.306 = ?
First, add 11.24 + 6.1 = 17.34
Then, 17.34 + 9.306:
```
17.340
+ 9.306
--------
26.646
```
✔ Answer: 26.646
---
Problem 8: 15 + 1.51 = ?
Write 15 as 15.00:
```
15.00
+ 1.51
-------
16.51
```
✔ Answer: 16.51
---
Problem 9: 127.5 - 4.98 = ?
Write 127.5 as 127.50:
```
127.50
- 4.98
--------
122.52
```
✔ Answer: 122.52
---
Problem 10: $9.74 - $6.58 = ?
```
9.74
- 6.58
-------
3.16
```
✔ Answer: $3.16
---
##
✔ Final Matching:
| Problem | Answer |
|---------|------------|
| $4.36 + $2.59 = |
$6.95 |
| 9.8 - 6.4 = |
3.4 |
| 127.34 - 68.5 = |
58.84 |
| 3.926 - 1.581 = |
2.345 |
| 12.9 + 7.38 = |
20.28 |
| 4.739 + 1.821 = |
6.560 |
| 11.24 + 6.1 + 9.306 = |
26.646 |
| 15 + 1.51 = |
16.51 |
| 127.5 - 4.98 = |
122.52 |
| $9.74 - $6.58 = |
$3.16 |
---
All answers are found in the answer bank at the top. You can now “drag” each computed answer into its correct box.
✔ All problems solved correctly!
Parent Tip: Review the logic above to help your child master the concept of adding and subtracting decimals worksheet fall.
