Grade 6 worksheet for subtracting decimals from whole numbers, featuring 20 practice problems.

Problem Description:

The task involves solving a series of subtraction problems where decimals are subtracted from whole numbers. The goal is to find the difference for each problem.

Solution Approach:

1. Align the decimal points: When subtracting decimals, it's crucial to align the decimal points vertically. If necessary, add trailing zeros to make the numbers have the same number of decimal places.
2. Subtract as usual: Perform the subtraction as you would with whole numbers, borrowing if necessary.
3. Place the decimal point: Ensure the decimal point in the answer is directly below the decimal points in the numbers being subtracted.

Step-by-Step Solutions:

#### Problem 1: \( 4 - 3.4 \)
- Align the decimal points:
```
4.0
- 3.4
------
0.6
```
- Answer: \( 0.6 \)

#### Problem 2: \( 7 - 0.051 \)
- Align the decimal points:
```
7.000
- 0.051
-------
6.949
```
- Answer: \( 6.949 \)

#### Problem 3: \( 9 - 0.068 \)
- Align the decimal points:
```
9.000
- 0.068
-------
8.932
```
- Answer: \( 8.932 \)

#### Problem 4: \( 10 - 0.084 \)
- Align the decimal points:
```
10.000
- 0.084
-------
9.916
```
- Answer: \( 9.916 \)

#### Problem 5: \( 6 - 1.7 \)
- Align the decimal points:
```
6.0
- 1.7
------
4.3
```
- Answer: \( 4.3 \)

#### Problem 6: \( 60 - 5.3 \)
- Align the decimal points:
```
60.0
- 5.3
------
54.7
```
- Answer: \( 54.7 \)

#### Problem 7: \( 2 - 0.062 \)
- Align the decimal points:
```
2.000
- 0.062
-------
1.938
```
- Answer: \( 1.938 \)

#### Problem 8: \( 7 - 0.086 \)
- Align the decimal points:
```
7.000
- 0.086
-------
6.914
```
- Answer: \( 6.914 \)

#### Problem 9: \( 5 - 0.037 \)
- Align the decimal points:
```
5.000
- 0.037
-------
4.963
```
- Answer: \( 4.963 \)

#### Problem 10: \( 50 - 0.94 \)
- Align the decimal points:
```
50.00
- 0.94
-------
49.06
```
- Answer: \( 49.06 \)

#### Problem 11: \( 4 - 0.082 \)
- Align the decimal points:
```
4.000
- 0.082
-------
3.918
```
- Answer: \( 3.918 \)

#### Problem 12: \( 40 - 0.97 \)
- Align the decimal points:
```
40.00
- 0.97
-------
39.03
```
- Answer: \( 39.03 \)

#### Problem 13: \( 100 - 0.070 \)
- Align the decimal points:
```
100.000
- 0.070
--------
99.930
```
- Answer: \( 99.930 \) (or simply \( 99.93 \))

#### Problem 14: \( 10 - 0.083 \)
- Align the decimal points:
```
10.000
- 0.083
---------
9.917
```
- Answer: \( 9.917 \)

#### Problem 15: \( 10 - 0.75 \)
- Align the decimal points:
```
10.00
- 0.75
-------
9.25
```
- Answer: \( 9.25 \)

#### Problem 16: \( 80 - 0.66 \)
- Align the decimal points:
```
80.00
- 0.66
-------
79.34
```
- Answer: \( 79.34 \)

#### Problem 17: \( 5 - 4.05 \)
- Align the decimal points:
```
5.00
- 4.05
------
0.95
```
- Answer: \( 0.95 \)

#### Problem 18: \( 20 - 0.090 \)
- Align the decimal points:
```
20.000
- 0.090
---------
19.910
```
- Answer: \( 19.910 \) (or simply \( 19.91 \))

#### Problem 19: \( 2 - 0.032 \)
- Align the decimal points:
```
2.000
- 0.032
-------
1.968
```
- Answer: \( 1.968 \)

#### Problem 20: \( 10 - 0.088 \)
- Align the decimal points:
```
10.000
- 0.088
---------
9.912
```
- Answer: \( 9.912 \)

Final Answers:

\[
\boxed{
\begin{array}{ll}
1. & 0.6 \\
2. & 6.949 \\
3. & 8.932 \\
4. & 9.916 \\
5. & 4.3 \\
6. & 54.7 \\
7. & 1.938 \\
8. & 6.914 \\
9. & 4.963 \\
10. & 49.06 \\
11. & 3.918 \\
12. & 39.03 \\
13. & 99.93 \\
14. & 9.917 \\
15. & 9.25 \\
16. & 79.34 \\
17. & 0.95 \\
18. & 19.91 \\
19. & 1.968 \\
20. & 9.912 \\
\end{array}
}
\]