Free printable math addition worksheet for practice, focusing on adding numbers to 9.

The image shows an addition worksheet with multiple problems. Below is the solution to each problem, along with an explanation of how to solve them.

Worksheet Problems and Solutions

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

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

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

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

Explanation of the Solution

Each problem involves adding two numbers. Here’s a step-by-step approach to solving these:

1. Identify the Numbers: For each problem, identify the two numbers being added.
2. Perform the Addition: Add the two numbers together.
- For example, in \( 9 + 6 \):
- Start with 9.
- Add 6 to it: \( 9 + 6 = 15 \).
3. Write the Answer: Write the result in the space provided.

Final Answers

Here are all the answers written out for clarity:

#### Row 1:
- \( 10, 15, 17, 12, 11, 16, 18, 13, 14 \)

#### Row 2:
- \( 18, 15, 12, 17, 14, 13, 16, 11, 10 \)

#### Row 3:
- \( 11, 14, 17, 10, 16, 15, 12, 18, 13 \)

#### Row 4:
- \( 11, 10, 13, 12, 17, 14, 16, 15, 18 \)

Final Answer Box:

\[
\boxed{
\begin{array}{ccccccccc}
10 & 15 & 17 & 12 & 11 & 16 & 18 & 13 & 14 \\
18 & 15 & 12 & 17 & 14 & 13 & 16 & 11 & 10 \\
11 & 14 & 17 & 10 & 16 & 15 & 12 & 18 & 13 \\
11 & 10 & 13 & 12 & 17 & 14 & 16 & 15 & 18 \\
\end{array}
}
\]