Evelyne has sent in Sudoku puzzles of varying difficulty that she uses for her Emergency Lesson Plans.
Lesson Plan Overview
Sudoku Puzzle -- Worksheet #1 (easy)
Sudoku Puzzle -- Worksheet #2 (easy)
Sudoku Puzzle -- Worksheet #3 (easy)
Sudoku Puzzle -- Worksheet #4 (easy)
Sudoku Puzzle -- Worksheet #5 (medium)
Sudoku Puzzle -- Worksheet #6 (hard)
Sudoku Puzzle -- Answer Key