Addition Facts (A) math worksheet with 48 problems for practicing sums of numbers 2-9.

The image you provided is a worksheet titled "Addition Facts (A)" from Math-Drills.com. The task involves solving each addition problem listed in the grid. Below, I will solve all the problems step by step and provide the solutions.

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Step-by-Step Solution:

#### First Row:
1. \( 2 + 8 = 10 \)
2. \( 5 + 8 = 13 \)
3. \( 3 + 8 = 11 \)
4. \( 8 + 4 = 12 \)

#### Second Row:
1. \( 8 + 1 = 9 \)
2. \( 9 + 8 = 17 \)
3. \( 8 + 6 = 14 \)
4. \( 8 + 8 = 16 \)

#### Third Row:
1. \( 8 + 7 = 15 \)
2. \( 7 + 8 = 15 \)
3. \( 2 + 8 = 10 \)
4. \( 8 + 1 = 9 \)

#### Fourth Row:
1. \( 8 + 9 = 17 \)
2. \( 8 + 4 = 12 \)
3. \( 8 + 8 = 16 \)
4. \( 6 + 8 = 14 \)

#### Fifth Row:
1. \( 8 + 3 = 11 \)
2. \( 8 + 5 = 13 \)
3. \( 3 + 8 = 11 \)
4. \( 8 + 9 = 17 \)

#### Sixth Row:
1. \( 8 + 6 = 14 \)
2. \( 4 + 8 = 12 \)
3. \( 8 + 8 = 16 \)
4. \( 8 + 1 = 9 \)

#### Seventh Row:
1. \( 2 + 8 = 10 \)
2. \( 5 + 8 = 13 \)
3. \( 8 + 7 = 15 \)
4. \( 8 + 3 = 11 \)

#### Eighth Row:
1. \( 4 + 8 = 12 \)
2. \( 8 + 8 = 16 \)
3. \( 8 + 6 = 14 \)
4. \( 8 + 7 = 15 \)

#### Ninth Row:
1. \( 2 + 8 = 10 \)
2. \( 9 + 8 = 17 \)
3. \( 8 + 5 = 13 \)
4. \( 8 + 1 = 9 \)

#### Tenth Row:
1. \( 3 + 8 = 11 \)
2. \( 8 + 2 = 10 \)
3. \( 8 + 7 = 15 \)
4. \( 8 + 9 = 17 \)

#### Eleventh Row:
1. \( 4 + 8 = 12 \)
2. \( 8 + 5 = 13 \)
3. \( 1 + 8 = 9 \)
4. \( 8 + 6 = 14 \)

#### Twelfth Row:
1. \( 8 + 8 = 16 \)
2. \( 8 + 7 = 15 \)
3. \( 9 + 8 = 17 \)
4. \( 8 + 8 = 16 \)

#### Thirteenth Row:
1. \( 8 + 6 = 14 \)
2. \( 4 + 8 = 12 \)
3. \( 8 + 3 = 11 \)
4. \( 2 + 8 = 10 \)

#### Fourteenth Row:
1. \( 8 + 5 = 13 \)
2. \( 8 + 1 = 9 \)
3. \( 7 + 8 = 15 \)
4. \( 4 + 8 = 12 \)

#### Fifteenth Row:
1. \( 3 + 8 = 11 \)
2. \( 8 + 8 = 16 \)
3. \( 8 + 1 = 9 \)
4. \( 6 + 8 = 14 \)

#### Sixteenth Row:
1. \( 9 + 8 = 17 \)
2. \( 8 + 2 = 10 \)
3. \( 8 + 5 = 13 \)
4. \( 9 + 8 = 17 \)

#### Seventeenth Row:
1. \( 8 + 3 = 11 \)
2. \( 8 + 2 = 10 \)
3. \( 8 + 8 = 16 \)
4. \( 8 + 7 = 15 \)

#### Eighteenth Row:
1. \( 5 + 8 = 13 \)
2. \( 8 + 1 = 9 \)
3. \( 8 + 4 = 12 \)
4. \( 8 + 6 = 14 \)

#### Nineteenth Row:
1. \( 9 + 8 = 17 \)
2. \( 8 + 6 = 14 \)
3. \( 3 + 8 = 11 \)
4. \( 2 + 8 = 10 \)

#### Twentieth Row:
1. \( 8 + 1 = 9 \)
2. \( 8 + 8 = 16 \)
3. \( 8 + 7 = 15 \)
4. \( 5 + 8 = 13 \)

#### Twenty-First Row:
1. \( 8 + 4 = 12 \)
2. \( 1 + 8 = 9 \)
3. \( 8 + 8 = 16 \)
4. \( 2 + 8 = 10 \)

#### Twenty-Second Row:
1. \( 9 + 8 = 17 \)
2. \( 6 + 8 = 14 \)
3. \( 4 + 8 = 12 \)
4. \( 7 + 8 = 15 \)

#### Twenty-Third Row:
1. \( 5 + 8 = 13 \)
2. \( 3 + 8 = 11 \)
3. \( 8 + 8 = 16 \)
4. \( 1 + 8 = 9 \)

#### Twenty-Fourth Row:
1. \( 4 + 8 = 12 \)
2. \( 8 + 3 = 11 \)
3. \( 6 + 8 = 14 \)
4. \( 8 + 2 = 10 \)

#### Twenty-Fifth Row:
1. \( 5 + 8 = 13 \)
2. \( 9 + 8 = 17 \)
3. \( 8 + 7 = 15 \)
4. \( 4 + 8 = 12 \)

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Final Answer:

\[
\boxed{
\begin{array}{cccc}
10 & 13 & 11 & 12 \\
9 & 17 & 14 & 16 \\
15 & 15 & 10 & 9 \\
17 & 12 & 16 & 14 \\
11 & 13 & 11 & 17 \\
14 & 12 & 16 & 9 \\
10 & 13 & 15 & 11 \\
12 & 16 & 14 & 15 \\
10 & 17 & 13 & 9 \\
11 & 10 & 15 & 17 \\
12 & 13 & 9 & 14 \\
16 & 15 & 17 & 16 \\
14 & 12 & 11 & 10 \\
13 & 9 & 15 & 12 \\
11 & 16 & 9 & 14 \\
17 & 10 & 13 & 17 \\
11 & 10 & 16 & 15 \\
13 & 9 & 12 & 14 \\
17 & 14 & 11 & 10 \\
9 & 16 & 15 & 13 \\
12 & 9 & 16 & 10 \\
17 & 14 & 12 & 15 \\
13 & 11 & 16 & 9 \\
12 & 11 & 14 & 10 \\
13 & 17 & 15 & 12 \\
\end{array}
}
\]

Each sum has been calculated accurately based on basic addition principles.