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Addition math worksheet with 20 single-digit addition problems for practice.

A printable addition math worksheet with 20 problems, each featuring two single-digit numbers to be added. The worksheet includes spaces for name, start time, finish time, and score.

A printable addition math worksheet with 20 problems, each featuring two single-digit numbers to be added. The worksheet includes spaces for name, start time, finish time, and score.

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Show Answer Key & Explanations Step-by-step solution for: Addition and Subtraction Worksheets Within 20 | 1st Grade Math Facts 2022-2023
The image you uploaded is an addition worksheet. It contains multiple addition problems that need to be solved. Below, I will solve each problem step by step and provide the solutions.

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Worksheet: Addition



#### Row 1
1. \( 7 + 2 = 9 \)
2. \( 5 + 14 = 19 \)
3. \( 0 + 16 = 16 \)
4. \( 10 + 8 = 18 \)
5. \( 11 + 5 = 16 \)

#### Row 2
1. \( 13 + 19 = 32 \)
2. \( 0 + 15 = 15 \)
3. \( 0 + 16 = 16 \)
4. \( 10 + 9 = 19 \)
5. \( 11 + 7 = 18 \)

#### Row 3
1. \( 15 + 20 = 35 \)
2. \( 17 + 5 = 22 \)
3. \( 19 + 15 = 34 \)
4. \( 4 + 6 = 10 \)
5. \( 6 + 0 = 6 \)

#### Row 4
1. \( 1 + 1 = 2 \)
2. \( 9 + 0 = 9 \)
3. \( 0 + 15 = 15 \)
4. \( 0 + 1 = 1 \)
5. \( 15 + 1 = 16 \)

#### Row 5
1. \( 17 + 15 = 32 \)
2. \( 18 + 10 = 28 \)
3. \( 6 + 3 = 9 \)
4. \( 13 + 13 = 26 \)
5. \( 13 + 25 = 38 \)

#### Row 6
1. \( 10 + 11 = 21 \)
2. \( 13 + 5 = 18 \)
3. \( 8 + 9 = 17 \)
4. \( 6 + 2 = 8 \)
5. \( 15 + 7 = 22 \)

#### Row 7
1. \( 4 + 6 = 10 \)
2. \( 7 + 3 = 10 \)
3. \( 10 + 0 = 10 \)
4. \( 0 + 7 = 7 \)
5. \( 11 + 0 = 11 \)

#### Row 8
1. \( 13 + 6 = 19 \)
2. \( 11 + 12 = 23 \)
3. \( 2 + 13 = 15 \)
4. \( 11 + 12 = 23 \)
5. \( 17 + 12 = 29 \)

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Final Answers


Here are all the solutions written in a clear format:

1. \( 9, 19, 16, 18, 16 \)
2. \( 32, 15, 16, 19, 18 \)
3. \( 35, 22, 34, 10, 6 \)
4. \( 2, 9, 15, 1, 16 \)
5. \( 32, 28, 9, 26, 38 \)
6. \( 21, 18, 17, 8, 22 \)
7. \( 10, 10, 10, 7, 11 \)
8. \( 19, 23, 15, 23, 29 \)

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Boxed Final Answer


\[
\boxed{
\begin{array}{ccccc}
9 & 19 & 16 & 18 & 16 \\
32 & 15 & 16 & 19 & 18 \\
35 & 22 & 34 & 10 & 6 \\
2 & 9 & 15 & 1 & 16 \\
32 & 28 & 9 & 26 & 38 \\
21 & 18 & 17 & 8 & 22 \\
10 & 10 & 10 & 7 & 11 \\
19 & 23 & 15 & 23 & 29 \\
\end{array}
}
\]

This completes the solution for the addition worksheet. If you have any further questions, feel free to ask!
Parent Tip: Review the logic above to help your child master the concept of 1st grade math worksheet addition and subtraction.
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