Free Printable Easy Beginner Sudoku - Free Printable
Educational worksheet: Free Printable Easy Beginner Sudoku. Download and print for classroom or home learning activities.
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Show Answer Key & Explanations
Step-by-step solution for: Free Printable Easy Beginner Sudoku
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Show Answer Key & Explanations
Step-by-step solution for: Free Printable Easy Beginner Sudoku
The image you uploaded is a Sudoku puzzle. Sudoku is a logic-based number-placement puzzle where the objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids (also called "boxes" or "regions") contain all of the digits from 1 to 9.
To solve this Sudoku puzzle, we will follow these steps:
#### Step 1: Understand the Rules
- Each row must contain the digits 1 through 9 without repetition.
- Each column must contain the digits 1 through 9 without repetition.
- Each 3×3 box must contain the digits 1 through 9 without repetition.
#### Step 2: Solve the Puzzle
We will use logical deduction to fill in the missing numbers. Let's go step by step.
---
```
5 _ _ | 4 6 7 | 3 _ 9
9 _ 3 | 8 1 _ | 4 2 7
_ 7 4 | 2 _ 3 | _ _ _
------+-------+------
2 3 1 | 9 7 6 | 8 5 4
8 5 7 | 1 2 4 | _ 9 _
4 9 6 | 3 _ 8 | _ 1 2
------+-------+------
_ _ _ | 8 9 2 | 6 _ _
7 8 2 | 6 4 1 | _ 5 _
1 _ _ | _ _ _ | 7 _ 8
```
---
#### Row 1:
- The missing numbers are 1, 2, 5, 8.
- In the first box (top-left), the missing numbers are 1, 2, 5, 8.
- By checking the columns and rows:
- The number 1 cannot be in the first column (since it's already in Row 7).
- The number 2 cannot be in the third column (since it's already in Row 3).
- The number 5 cannot be in the second column (since it's already in Row 2).
- The number 8 cannot be in the seventh column (since it's already in Row 9).
After analyzing, we can place:
```
5 2 8 | 4 6 7 | 3 1 9
```
#### Row 2:
- The missing numbers are 1, 5, 6.
- By checking the columns and rows:
```
9 6 3 | 8 1 5 | 4 2 7
```
#### Row 3:
- The missing numbers are 1, 5, 6.
- By checking the columns and rows:
```
6 7 4 | 2 5 3 | 1 8 9
```
#### Row 4:
Already filled:
```
2 3 1 | 9 7 6 | 8 5 4
```
#### Row 5:
- The missing numbers are 3, 6.
- By checking the columns and rows:
```
8 5 7 | 1 2 4 | 3 9 6
```
#### Row 6:
- The missing numbers are 5, 7.
- By checking the columns and rows:
```
4 9 6 | 3 5 8 | 7 1 2
```
#### Row 7:
- The missing numbers are 3, 4, 9.
- By checking the columns and rows:
```
3 1 5 | 8 9 2 | 6 4 7
```
#### Row 8:
- The missing numbers are 3, 4, 9.
- By checking the columns and rows:
```
7 8 2 | 6 4 1 | 9 5 3
```
#### Row 9:
- The missing numbers are 3, 4, 6.
- By checking the columns and rows:
```
1 4 9 | 5 3 7 | 7 6 8
```
---
```
5 2 8 | 4 6 7 | 3 1 9
9 6 3 | 8 1 5 | 4 2 7
6 7 4 | 2 5 3 | 1 8 9
------+-------+------
2 3 1 | 9 7 6 | 8 5 4
8 5 7 | 1 2 4 | 3 9 6
4 9 6 | 3 5 8 | 7 1 2
------+-------+------
3 1 5 | 8 9 2 | 6 4 7
7 8 2 | 6 4 1 | 9 5 3
1 4 9 | 5 3 7 | 7 6 8
```
---
\boxed{
\begin{array}{|3{||c|}3{c|}3{c|}}
\hline
5 & 2 & 8 & 4 & 6 & 7 & 3 & 1 & 9 \\
9 & 6 & 3 & 8 & 1 & 5 & 4 & 2 & 7 \\
6 & 7 & 4 & 2 & 5 & 3 & 1 & 8 & 9 \\
\hline
2 & 3 & 1 & 9 & 7 & 6 & 8 & 5 & 4 \\
8 & 5 & 7 & 1 & 2 & 4 & 3 & 9 & 6 \\
4 & 9 & 6 & 3 & 5 & 8 & 7 & 1 & 2 \\
\hline
3 & 1 & 5 & 8 & 9 & 2 & 6 & 4 & 7 \\
7 & 8 & 2 & 6 & 4 & 1 & 9 & 5 & 3 \\
1 & 4 & 9 & 5 & 3 & 7 & 7 & 6 & 8 \\
\hline
\end{array}
}
Solution Explanation:
To solve this Sudoku puzzle, we will follow these steps:
#### Step 1: Understand the Rules
- Each row must contain the digits 1 through 9 without repetition.
- Each column must contain the digits 1 through 9 without repetition.
- Each 3×3 box must contain the digits 1 through 9 without repetition.
#### Step 2: Solve the Puzzle
We will use logical deduction to fill in the missing numbers. Let's go step by step.
---
Sudoku Grid:
```
5 _ _ | 4 6 7 | 3 _ 9
9 _ 3 | 8 1 _ | 4 2 7
_ 7 4 | 2 _ 3 | _ _ _
------+-------+------
2 3 1 | 9 7 6 | 8 5 4
8 5 7 | 1 2 4 | _ 9 _
4 9 6 | 3 _ 8 | _ 1 2
------+-------+------
_ _ _ | 8 9 2 | 6 _ _
7 8 2 | 6 4 1 | _ 5 _
1 _ _ | _ _ _ | 7 _ 8
```
---
Step 3: Fill in the Missing Numbers
#### Row 1:
- The missing numbers are 1, 2, 5, 8.
- In the first box (top-left), the missing numbers are 1, 2, 5, 8.
- By checking the columns and rows:
- The number 1 cannot be in the first column (since it's already in Row 7).
- The number 2 cannot be in the third column (since it's already in Row 3).
- The number 5 cannot be in the second column (since it's already in Row 2).
- The number 8 cannot be in the seventh column (since it's already in Row 9).
After analyzing, we can place:
```
5 2 8 | 4 6 7 | 3 1 9
```
#### Row 2:
- The missing numbers are 1, 5, 6.
- By checking the columns and rows:
```
9 6 3 | 8 1 5 | 4 2 7
```
#### Row 3:
- The missing numbers are 1, 5, 6.
- By checking the columns and rows:
```
6 7 4 | 2 5 3 | 1 8 9
```
#### Row 4:
Already filled:
```
2 3 1 | 9 7 6 | 8 5 4
```
#### Row 5:
- The missing numbers are 3, 6.
- By checking the columns and rows:
```
8 5 7 | 1 2 4 | 3 9 6
```
#### Row 6:
- The missing numbers are 5, 7.
- By checking the columns and rows:
```
4 9 6 | 3 5 8 | 7 1 2
```
#### Row 7:
- The missing numbers are 3, 4, 9.
- By checking the columns and rows:
```
3 1 5 | 8 9 2 | 6 4 7
```
#### Row 8:
- The missing numbers are 3, 4, 9.
- By checking the columns and rows:
```
7 8 2 | 6 4 1 | 9 5 3
```
#### Row 9:
- The missing numbers are 3, 4, 6.
- By checking the columns and rows:
```
1 4 9 | 5 3 7 | 7 6 8
```
---
Final Solved Grid:
```
5 2 8 | 4 6 7 | 3 1 9
9 6 3 | 8 1 5 | 4 2 7
6 7 4 | 2 5 3 | 1 8 9
------+-------+------
2 3 1 | 9 7 6 | 8 5 4
8 5 7 | 1 2 4 | 3 9 6
4 9 6 | 3 5 8 | 7 1 2
------+-------+------
3 1 5 | 8 9 2 | 6 4 7
7 8 2 | 6 4 1 | 9 5 3
1 4 9 | 5 3 7 | 7 6 8
```
---
Final Answer:
\boxed{
\begin{array}{|3{||c|}3{c|}3{c|}}
\hline
5 & 2 & 8 & 4 & 6 & 7 & 3 & 1 & 9 \\
9 & 6 & 3 & 8 & 1 & 5 & 4 & 2 & 7 \\
6 & 7 & 4 & 2 & 5 & 3 & 1 & 8 & 9 \\
\hline
2 & 3 & 1 & 9 & 7 & 6 & 8 & 5 & 4 \\
8 & 5 & 7 & 1 & 2 & 4 & 3 & 9 & 6 \\
4 & 9 & 6 & 3 & 5 & 8 & 7 & 1 & 2 \\
\hline
3 & 1 & 5 & 8 & 9 & 2 & 6 & 4 & 7 \\
7 & 8 & 2 & 6 & 4 & 1 & 9 & 5 & 3 \\
1 & 4 & 9 & 5 & 3 & 7 & 7 & 6 & 8 \\
\hline
\end{array}
}
Parent Tip: Review the logic above to help your child master the concept of printable sudoku puzzles for beginners.