Grade 1 subtraction practice worksheet with problems and multiple-choice answers.

Problem Overview:

The task is to solve a series of subtraction problems and circle the correct answer from the provided options. Let's solve each problem step by step.

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Solution:

#### a. \( 10 - 6 = \)
- Subtract: \( 10 - 6 = 4 \)
- Correct answer: 4
- Circle: \( \boxed{4} \)

#### b. \( 12 - 3 = \)
- Subtract: \( 12 - 3 = 9 \)
- Correct answer: 9
- Circle: \( \boxed{9} \)

#### c. \( 11 - 7 = \)
- Subtract: \( 11 - 7 = 4 \)
- Correct answer: 4
- Circle: \( \boxed{4} \)

#### d. \( 9 - 4 = \)
- Subtract: \( 9 - 4 = 5 \)
- Correct answer: 5
- Circle: \( \boxed{5} \)

#### e. \( 15 - 3 = \)
- Subtract: \( 15 - 3 = 12 \)
- Correct answer: 12
- Circle: \( \boxed{12} \)

#### f. \( 14 - 6 = \)
- Subtract: \( 14 - 6 = 8 \)
- Correct answer: 8
- Circle: \( \boxed{8} \)

#### g. \( 8 - 5 = \)
- Subtract: \( 8 - 5 = 3 \)
- Correct answer: 3
- Circle: \( \boxed{3} \)

#### h. \( 13 - 8 = \)
- Subtract: \( 13 - 8 = 5 \)
- Correct answer: 5
- Circle: \( \boxed{5} \)

#### i. \( 11 - 5 = \)
- Subtract: \( 11 - 5 = 6 \)
- Correct answer: 6
- Circle: \( \boxed{6} \)

#### j. \( 15 - 7 = \)
- Subtract: \( 15 - 7 = 8 \)
- Correct answer: 8
- Circle: \( \boxed{8} \)

#### k. \( 18 - 11 = \)
- Subtract: \( 18 - 11 = 7 \)
- Correct answer: 7
- Circle: \( \boxed{7} \)

#### l. \( 13 - 6 = \)
- Subtract: \( 13 - 6 = 7 \)
- Correct answer: 7
- Circle: \( \boxed{7} \)

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Final Answers:

\[
\begin{aligned}
&\text{a. } 10 - 6 = \boxed{4} \\
&\text{b. } 12 - 3 = \boxed{9} \\
&\text{c. } 11 - 7 = \boxed{4} \\
&\text{d. } 9 - 4 = \boxed{5} \\
&\text{e. } 15 - 3 = \boxed{12} \\
&\text{f. } 14 - 6 = \boxed{8} \\
&\text{g. } 8 - 5 = \boxed{3} \\
&\text{h. } 13 - 8 = \boxed{5} \\
&\text{i. } 11 - 5 = \boxed{6} \\
&\text{j. } 15 - 7 = \boxed{8} \\
&\text{k. } 18 - 11 = \boxed{7} \\
&\text{l. } 13 - 6 = \boxed{7} \\
\end{aligned}
\]

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Thus, the final boxed answers are:
\[
\boxed{4, 9, 4, 5, 12, 8, 3, 5, 6, 8, 7, 7}
\]