Addition Drills (10s) worksheet for practicing addition facts with numbers 1 through 10.

Problem Description:

The image shows a worksheet titled "Addition Drills (10s)" with multiple addition problems. Each problem involves adding a single-digit number to 10. The task is to solve each addition problem.

Solution Approach:

To solve each problem, we simply add the given single-digit number to 10. This is a straightforward arithmetic operation where we increment the tens place by 1 and keep the ones place as the given digit.

Step-by-Step Solution:

#### First Row:
1. \( 2 + 10 = 12 \)
2. \( 10 + 10 = 20 \)
3. \( 1 + 10 = 11 \)
4. \( 7 + 10 = 17 \)
5. \( 9 + 10 = 19 \)
6. \( 5 + 10 = 15 \)
7. \( 8 + 10 = 18 \)
8. \( 4 + 10 = 14 \)
9. \( 6 + 10 = 16 \)
10. \( 3 + 10 = 13 \)

#### Second Row:
1. \( 10 + 9 = 19 \)
2. \( 10 + 10 = 20 \)
3. \( 10 + 5 = 15 \)
4. \( 10 + 4 = 14 \)
5. \( 10 + 7 = 17 \)
6. \( 10 + 6 = 16 \)
7. \( 10 + 8 = 18 \)
8. \( 10 + 1 = 11 \)
9. \( 10 + 2 = 12 \)
10. \( 10 + 3 = 13 \)

#### Third Row:
1. \( 10 + 8 = 18 \)
2. \( 10 + 5 = 15 \)
3. \( 10 + 10 = 20 \)
4. \( 10 + 3 = 13 \)
5. \( 10 + 4 = 14 \)
6. \( 10 + 2 = 12 \)
7. \( 10 + 6 = 16 \)
8. \( 10 + 1 = 11 \)
9. \( 10 + 7 = 17 \)
10. \( 10 + 9 = 19 \)

#### Fourth Row:
1. \( 10 + 6 = 16 \)
2. \( 10 + 9 = 19 \)
3. \( 10 + 7 = 17 \)
4. \( 10 + 1 = 11 \)
5. \( 10 + 8 = 18 \)
6. \( 10 + 4 = 14 \)
7. \( 10 + 2 = 12 \)
8. \( 10 + 3 = 13 \)
9. \( 10 + 5 = 15 \)
10. \( 10 + 10 = 20 \)

#### Fifth Row:
1. \( 1 + 10 = 11 \)
2. \( 5 + 10 = 15 \)
3. \( 7 + 10 = 17 \)
4. \( 6 + 10 = 16 \)
5. \( 9 + 10 = 19 \)
6. \( 8 + 10 = 18 \)
7. \( 10 + 10 = 20 \)
8. \( 4 + 10 = 14 \)
9. \( 2 + 10 = 12 \)
10. \( 3 + 10 = 13 \)

#### Sixth Row:
1. \( 10 + 7 = 17 \)
2. \( 10 + 1 = 11 \)
3. \( 10 + 5 = 15 \)
4. \( 10 + 10 = 20 \)
5. \( 10 + 2 = 12 \)
6. \( 10 + 9 = 19 \)
7. \( 10 + 4 = 14 \)
8. \( 10 + 6 = 16 \)
9. \( 10 + 8 = 18 \)
10. \( 10 + 3 = 13 \)

#### Seventh Row:
1. \( 9 + 10 = 19 \)
2. \( 10 + 10 = 20 \)
3. \( 1 + 10 = 11 \)
4. \( 6 + 10 = 16 \)
5. \( 5 + 10 = 15 \)
6. \( 10 + 10 = 20 \)
7. \( 3 + 10 = 13 \)
8. \( 7 + 10 = 17 \)
9. \( 8 + 10 = 18 \)
10. \( 4 + 10 = 14 \)
11. \( 2 + 10 = 12 \)

#### Eighth Row:
1. \( 10 + 1 = 11 \)
2. \( 10 + 9 = 19 \)
3. \( 10 + 6 = 16 \)
4. \( 10 + 5 = 15 \)
5. \( 10 + 4 = 14 \)
6. \( 10 + 3 = 13 \)
7. \( 10 + 10 = 20 \)
8. \( 10 + 7 = 17 \)
9. \( 10 + 8 = 18 \)
10. \( 10 + 2 = 12 \)

#### Ninth Row:
1. \( 10 + 4 = 14 \)
2. \( 10 + 7 = 17 \)
3. \( 10 + 10 = 20 \)
4. \( 10 + 3 = 13 \)
5. \( 10 + 8 = 18 \)
6. \( 10 + 6 = 16 \)
7. \( 10 + 1 = 11 \)
8. \( 10 + 5 = 15 \)
9. \( 10 + 9 = 19 \)

Final Answer:

\[
\boxed{
\begin{array}{cccccccccc}
12 & 20 & 11 & 17 & 19 & 15 & 18 & 14 & 16 & 13 \\
19 & 20 & 15 & 14 & 17 & 16 & 18 & 11 & 12 & 13 \\
18 & 15 & 20 & 13 & 14 & 12 & 16 & 11 & 17 & 19 \\
16 & 19 & 17 & 11 & 18 & 14 & 12 & 13 & 15 & 20 \\
11 & 15 & 17 & 16 & 19 & 18 & 20 & 14 & 12 & 13 \\
17 & 11 & 15 & 20 & 12 & 19 & 14 & 16 & 18 & 13 \\
19 & 20 & 11 & 16 & 15 & 20 & 13 & 17 & 18 & 14 & 12 \\
11 & 19 & 16 & 15 & 14 & 13 & 20 & 17 & 18 & 12 \\
14 & 17 & 20 & 13 & 18 & 16 & 11 & 15 & 19 \\
\end{array}
}
\]