Problem: Solve the decimal addition and subtraction problems and match the answers to the provided options.
####
Step-by-Step Solution:
1.
$4.36 + $2.59 =
- Align the decimals:
```
4.36
+ 2.59
------
6.95
```
-
Answer: $6.95
2.
9.8 - 6.4 =
- Align the decimals:
```
9.8
- 6.4
------
3.4
```
-
Answer: 3.4
3.
127.34 - 68.5 =
- Align the decimals (add a zero to 68.5 for clarity):
```
127.34
- 68.50
--------
58.84
```
-
Answer: 58.84
4.
3.926 - 1.581 =
- Align the decimals:
```
3.926
- 1.581
-------
2.345
```
-
Answer: 2.345
5.
12.9 + 7.38 =
- Align the decimals (add a zero to 12.9 for clarity):
```
12.90
+ 7.38
--------
20.28
```
-
Answer: 20.28
6.
4.739 + 1.821 =
- Align the decimals:
```
4.739
+ 1.821
--------
6.560
```
-
Answer: 6.560
7.
11.24 + 6.1 + 9.306 =
- First, add 11.24 and 6.1:
```
11.24
+ 6.10
--------
17.34
```
- Then add 17.34 and 9.306:
```
17.34
+ 9.306
--------
26.646
```
-
Answer: 26.646
8.
15 + 1.51 =
- Align the decimals (add a decimal point to 15 for clarity):
```
15.00
+ 1.51
--------
16.51
```
-
Answer: 16.51
9.
127.5 - 4.98 =
- Align the decimals:
```
127.50
- 4.98
--------
122.52
```
-
Answer: 122.52
10.
$9.74 - $6.58 =
- Align the decimals:
```
9.74
- 6.58
-------
3.16
```
-
Answer: $3.16
---
Final Answers:
1. $4.36 + $2.59 =
$6.95
2. 9.8 - 6.4 =
3.4
3. 127.34 - 68.5 =
58.84
4. 3.926 - 1.581 =
2.345
5. 12.9 + 7.38 =
20.28
6. 4.739 + 1.821 =
6.560
7. 11.24 + 6.1 + 9.306 =
26.646
8. 15 + 1.51 =
16.51
9. 127.5 - 4.98 =
122.52
10. $9.74 - $6.58 =
$3.16
Matched Answers:
- $6.95
- 3.4
- 58.84
- 2.345
- 20.28
- 6.560
- 26.646
- 16.51
- 122.52
- $3.16
Final Answer:
\boxed{6.95, 3.4, 58.84, 2.345, 20.28, 6.560, 26.646, 16.51, 122.52, 3.16}
Parent Tip: Review the logic above to help your child master the concept of adding and subtracting decimals worksheet 6th grade.
