• home
  • Online Games
  • Printables
  • Worksheets
  • Pictures
  • Videos
  • Animals

S E A R C H
Cybersleuth Kids

Cool Tools

  • Free Clipart
  • Coloring Pages

Activities

    • Addition Online Practice
    • Subtraction Online Pratice
    • Multiplication Online Practice
    • Division Online Practice

Games

  • Online games
  • Online Math Games

activities & puzzles

  • Crossword Puzzles
  • Animal Printables
  • Mazes Printables
  • Crossword Puzzles
  • Slider Puzzles
  • Wordsearch Puzzles
  • Online Jigsaw Puzzles

Tools

  • Math Calculator
  • Units of Conversion
  • Currency Converter

sudoku Worksheets - Difficult Puzzles

Sudoku directions:

There are 9 rows in a traditional Sudoku puzzle. Every row, every column and every 3 x 3 block must contain the numbers 1, 2, 3, 4, 5, 6, 7, 8, and 9. The numbers must appear only once in each row and column.

sudoku_diff1_064
Sudoku
sudoku_diff1_064.jpg
Click on the thumbnail to download
file: sudoku_diff1_064
sudoku_diff1_065
Sudoku
sudoku_diff1_065.jpg
Click on the thumbnail to download
file: sudoku_diff1_065
sudoku_diff1_066
Sudoku
sudoku_diff1_066.jpg
Click on the thumbnail to download
file: sudoku_diff1_066
sudoku_diff1_067
Sudoku
sudoku_diff1_067.jpg
Click on the thumbnail to download
file: sudoku_diff1_067
sudoku_diff1_068
Sudoku
sudoku_diff1_068.jpg
Click on the thumbnail to download
file: sudoku_diff1_068
sudoku_diff1_069
Sudoku
sudoku_diff1_069.jpg
Click on the thumbnail to download
file: sudoku_diff1_069
sudoku_diff1_070
Sudoku
sudoku_diff1_070.jpg
Click on the thumbnail to download
file: sudoku_diff1_070
sudoku_diff1_071
Sudoku
sudoku_diff1_071.jpg
Click on the thumbnail to download
file: sudoku_diff1_071
sudoku_diff1_072
Sudoku
sudoku_diff1_072.jpg
Click on the thumbnail to download
file: sudoku_diff1_072
First index page Previous index page Next index page

additional Worksheets and printables:

Here is a partial list of our coloring printables available for download. The complete list can be found at Coloring

  • Addition
  • Subtraction
  • Rounding
  • Multiplication
  • Number Lines
  • Division
  • Time
  • Measurement
  • Money
© cybersleuthkids | 2019