Advanced Sudoku

Advanced Sudoku Worksheets (Level 3) Free and Printable 

Advanced Sudoku

Advanced Sudoku strategies go beyond the basic techniques and require a deeper understanding of the puzzle. Here are some advanced strategies that can help you solve more challenging Sudoku puzzles:

  1. Naked Pairs and Naked Triples:
    • Look for cells within a block, row, or column where only two or three cells can contain the same two or three numbers. If you find such a group, eliminate those numbers from the rest of the cells in the block, row, or column.
  2. Hidden Pairs and Hidden Triples:
    • Search for groups of two or three cells within a block, row, or column where only two or three numbers are candidates. Even if there are other candidates in those cells, if you can determine that those numbers must appear in those cells, you can eliminate them as candidates from the rest of the block, row, or column.
  3. X-Wing:
    • This strategy applies when you have two rows and two columns, each containing only two cells with the same candidate numbers. If the candidates form a rectangle in the grid, you can eliminate those candidates from the rest of the rows and columns.
  4. Swordfish:
    • Swordfish is an extension of the X-Wing strategy. It applies when you have three rows and three columns, each containing two or three cells with the same candidate numbers. If you can find a pattern resembling a “fish,” you can eliminate the candidate numbers from the intersecting rows and columns.
  5. XYZ-Wing:
    • This strategy involves three cells with a specific candidate number in a chain of relationships. If removing that candidate from one cell would force another cell to have a certain number, you can make eliminations based on these relationships.
  6. Coloring:
    • Coloring involves using two colors (e.g., red and blue) to mark candidate cells. If two cells in the same group (block, row, or column) share a candidate and they belong to different color groups, you can make deductions based on the candidates’ relationships.
  7. Chains and Loops:
    • Chains and loops are advanced techniques that involve creating a chain of linked cells with common candidates. By examining these chains or loops, you can make eliminations or conclusions about other cells in the grid.
  8. Skyscraper:
    • Similar to the X-Wing, the Skyscraper strategy identifies two columns with two candidate cells in each column. If the candidate forms a “skyscraper” shape in the grid, you can eliminate the candidate from the corresponding rows.
  9. XY-Wing:
    • This strategy involves three cells with specific candidates in a chain. If the presence of these candidates in the chain forces a particular elimination, you can use this information to solve the puzzle.
  10. Unique Rectangle:
    • Look for situations where four cells form a rectangle and have the same two candidates. If these conditions are met, you can eliminate one of the candidate numbers from other cells in the same row or column.

These advanced Sudoku strategies require practice and patience to master. Remember to use pencil marks to keep track of candidate numbers, and don’t hesitate to revise your markings as you make progress. Solving advanced Sudoku puzzles can be challenging, but with practice, you’ll become more proficient at using these techniques to crack even the toughest grids.

These Advanced Sudoku Worksheets (Level 3) are printable and free. Teachers, students, and parents can print these Sudoku worksheets out and make copies. Time for a brain blast! Enjoy!

Please make a one-time donation $5 – $25

Sudoku Level 3 Worksheet A  (2 Per Page)
Sudoku Level 3 Worksheet A Answers
Sudoku Level 3 Worksheet B  (2 Per Page)
Sudoku Level 3 Worksheet B Answers
Sudoku Level 3 Worksheet C  (2 Per Page)
Sudoku Level 3 Worksheet C Answers
Sudoku Level 3 Worksheet D  (2 Per Page)
Sudoku Level 3 Worksheet D Answers
Sudoku Level 3 Worksheet E  (2 Per Page)
Sudoku Level 3 Worksheet E Answers
Sudoku Level 3 Worksheet F  (2 Per Page)
Sudoku Level 3 Worksheet F Answers
Sudoku Level 3 Worksheet G  (2 Per Page)
Sudoku Level 3 Worksheet G Answers
Sudoku Level 3 Worksheet H  (2 Per Page)
Sudoku Level 3 Worksheet H Answers
Sudoku Level 3 Worksheet I  (2 Per Page)
Sudoku Level 3 Worksheet I Answers
Sudoku Level 3 Worksheet J  (2 Per Page)
Sudoku Level 3 Worksheet J Answers
Sudoku Level 3 Worksheet K  (4 Per Page)
Sudoku Level 3 Worksheet K Answers
Sudoku Level 3 Worksheet L  (4 Per Page)
Sudoku Level 3 Worksheet L Answers
Sudoku Level 3 Worksheet M  (4 Per Page)
Sudoku Level 3 Worksheet M Answers
Sudoku Level 3 Worksheet N  (4 Per Page)
Sudoku Level 3 Worksheet N Answers
Sudoku Level 3 Worksheet O  (4 Per Page)
Sudoku Level 3 Worksheet O Answers

Go to Rudolph Academy FREE Sudoku for Beginners Level 1 Worksheets
Go to Rudolph Academy FREE Intermediate Sudoku Level 2 Worksheets
Go to Rudolph Academy Sudoku Main Page

Go to Rudolph Academy FREE Crossword Puzzles
Go to Rudolph Academy FREE Word Searches
Go to Rudolph Academy FREE Math Worksheets

Get a Test Overview and 100 FREE Practice Questions for the following GATE Tests!
AABL®     Bracken School Readiness Assessment™ (BSRA™)     CCAT™   CogAT®    

California Gifted and Talented Education (GATE)    CTY (Center for Talented Youth) Program
Chicago Area Gifted Programs     CTP®-ERB     Fairfax County AAP
Gifted and Talented Test     Houston Vanguard Test     InView™     ISEE®     NNAT®
HCHS (Hunter College High School®)     OLSAT®     Ravens Progressive Matrices™
Iowa Assessments® (ITBS®)     KABC™-II     KBIT™-2     MAP®    SCAT®
Los Angeles Unified School District GATE Program     RIAS™     SAGES-2™
New York State (NYS) Assessments     NYC Gifted Test     Renaissance STAR®        
SHSAT     STB®     Stanford Binet®-V     Thinking and Engagement Assessment
TerraNova®     STAAR Test     Torrance® (TTCT®)     WASI™     Woodcock-Johnson®
Wechsler Individual Achievement Test® (WIAT)     WISC®     WPPSI™

Recent Posts

Science Vocabulary

Science Vocabulary for K-8

Science Vocabulary Desk Boy Loves Studying Vocabulary!

Mastering science vocabulary is crucial for students in grades K-8 to excel in their science education and lays the foundation for understanding complex concepts and communicating effectively about scientific phenomena. To enhance their proficiency in science terminology, students can engage in various activities such as completing science vocabulary crosswords, word searches, and quizzes. Crossword puzzles offer an interactive and engaging way for students to reinforce their understanding of science vocabulary. By filling in the blanks with the correct terms, students actively recall and apply the meanings of scientific terms, promoting retention and comprehension. Word searches provide another enjoyable method for students to familiarize themselves with science vocabulary. Searching for terms horizontally, vertically, and diagonally within a grid encourages visual recognition of words and reinforces spelling. Quizzes serve as valuable assessment tools to gauge students’ grasp of science vocabulary. By regularly engaging in science vocabulary activities such as crosswords, word searches, and quizzes, students can develop a robust scientific vocabulary that will benefit them throughout their academic journey and beyond. These activities not only enhance students’ comprehension of science concepts but also improve their ability to communicate effectively about scientific topics. Moreover, the interactive nature of these activities makes learning enjoyable and encourages active participation in the learning process.

Science Crossword Puzzles

Kindergarten     1st     2nd     3rd     4th     5th     6th     7th     8th

Solar System     Biology     Insects

Science Word Searches

2nd     3rd     4th     5th     6th     7th     8th    Biology

Science Quizzes

5th     6th     7th     8th    Biology

Go to K-8 Math Vocabulary

Go to K-8 Language Arts Vocabulary

Go to US History Crosswords

Go to World History Crosswords

Go to Geography Crosswords

Go to Literature Crosswords

Go to Sudoku Worksheets

Join Rudoph Academy Facebook Page

Subscribe FREE to Rudolph Academy to get the latest updates to the entire archive of FREE Educational PDFs including academic worksheets, crosswords, word searches, math worksheets, and quizzes.

Get a Test Overview and 100 FREE Practice Questions for the following GATE Tests!
AABL®     Bracken School Readiness Assessment™ (BSRA™)     CCAT™   CogAT®    

California Gifted and Talented Education (GATE)    CTY (Center for Talented Youth) Program
Chicago Area Gifted Programs     CTP®-ERB     Fairfax County AAP
Gifted and Talented Test     Houston Vanguard Test     InView™     ISEE®     NNAT®
HCHS (Hunter College High School®)     OLSAT®     Ravens Progressive Matrices™
Iowa Assessments® (ITBS®)     KABC™-II     KBIT™-2     MAP®    SCAT®
Los Angeles Unified School District GATE Program     RIAS™     SAGES-2™
New York State (NYS) Assessments     NYC Gifted Test     Renaissance STAR®        
SHSAT     STB®     Stanford Binet®-V     Thinking and Engagement Assessment
TerraNova®     STAAR Test     Torrance® (TTCT®)     WASI™     Woodcock-Johnson®
Wechsler Individual Achievement Test® (WIAT)     WISC®     WPPSI™

  1. Language Arts Vocabulary Comments Off on Language Arts Vocabulary
  2. Math Vocabulary Comments Off on Math Vocabulary