Addition worksheet for children to practice adding 7 to different numbers.

Problem Description:

The task is to add 7 to each number provided in the worksheet. The worksheet is divided into three columns, and each column contains 10 problems. We need to solve all the problems by adding 7 to the given numbers.

Solution:

#### Column 1:
1. \( 7 + 6 = 13 \)
2. \( 7 + 2 = 9 \)
3. \( 7 + 10 = 17 \)
4. \( 7 + 7 = 14 \)
5. \( 7 + 5 = 12 \)
6. \( 7 + 9 = 16 \)
7. \( 7 + 14 = 21 \)
8. \( 7 + 26 = 33 \)
9. \( 7 + 1 = 8 \)
10. \( 7 + 20 = 27 \)

#### Column 2:
1. \( 7 + 3 = 10 \)
2. \( 7 + 12 = 19 \)
3. \( 7 + 15 = 22 \)
4. \( 7 + 29 = 36 \)
5. \( 7 + 4 = 11 \)
6. \( 7 + 21 = 28 \)
7. \( 7 + 13 = 20 \)
8. \( 7 + 28 = 35 \)
9. \( 7 + 8 = 15 \)
10. \( 7 + 17 = 24 \)

#### Column 3:
1. \( 7 + 22 = 29 \)
2. \( 7 + 14 = 21 \)
3. \( 7 + 25 = 32 \)
4. \( 7 + 30 = 37 \)
5. \( 7 + 18 = 25 \)
6. \( 7 + 23 = 30 \)
7. \( 7 + 16 = 23 \)
8. \( 7 + 19 = 26 \)
9. \( 7 + 11 = 18 \)
10. \( 7 + 27 = 34 \)

Final Answer:

\[
\boxed{
\begin{array}{ccc}
\text{Column 1} & \text{Column 2} & \text{Column 3} \\
13 & 10 & 29 \\
9 & 19 & 21 \\
17 & 22 & 32 \\
14 & 36 & 37 \\
12 & 11 & 25 \\
16 & 28 & 30 \\
21 & 20 & 23 \\
33 & 35 & 26 \\
8 & 15 & 18 \\
27 & 24 & 34 \\
\end{array}
}
\]

Explanation:

- For each problem, we simply added 7 to the given number.
- This is a straightforward addition exercise designed to practice basic arithmetic skills.
- Each column has 10 problems, and all were solved by consistently applying the addition operation.