These 71 4×4 puzzles step up in difficulty to help beginners learn how to do these fun logic puzzles, starting with just 4 empty squares, and progressing to 12 empty squares. There are color, black and white, letter, and A4 versions of all of them, plus answer keys. Each puzzle prints on a half sheet of paper. The blank spaces are also big, so even very young kids will have room to practice writing their numbers. Kids as young as 4 may be ready to try these simple puzzles. Sudoku teaches number recognition, problem solving, attention to detail, and concentration.

Printed pages: 288