• 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_diff2_018
Sudoku
sudoku_diff2_018.jpg
Click on the thumbnail to download
file: sudoku_diff2_018
sudoku_diff2_019
Sudoku
sudoku_diff2_019.jpg
Click on the thumbnail to download
file: sudoku_diff2_019
sudoku_diff2_020
Sudoku
sudoku_diff2_020.jpg
Click on the thumbnail to download
file: sudoku_diff2_020
sudoku_diff2_021
Sudoku
sudoku_diff2_021.jpg
Click on the thumbnail to download
file: sudoku_diff2_021
sudoku_diff2_022
Sudoku
sudoku_diff2_022.jpg
Click on the thumbnail to download
file: sudoku_diff2_022
sudoku_diff2_023
Sudoku
sudoku_diff2_023.jpg
Click on the thumbnail to download
file: sudoku_diff2_023
sudoku_diff2_024
Sudoku
sudoku_diff2_024.jpg
Click on the thumbnail to download
file: sudoku_diff2_024
sudoku_diff2_025
Sudoku
sudoku_diff2_025.jpg
Click on the thumbnail to download
file: sudoku_diff2_025
sudoku_diff2_026
Sudoku
sudoku_diff2_026.jpg
Click on the thumbnail to download
file: sudoku_diff2_026
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