Sudoku and Ken Ken enthusiasts will enjoy this mad math puzzle, full of addition, subtraction, multiplication, and division challenges.

If your child has a knack for number games, he'll love this mysterious math puzzle. Kids will use addition, subtraction, multiplication, and division skills.

Practice mixed operations with this fourth-grade math puzzle!

Do your students love puzzles? This one is a great introduction to KenKen®, a logic and math game from Japan.

This missing numbers math puzzle will get your kid thinking creatively. Kids who enjoy Ken Ken and Sudoku puzzles will like this amazing math puzzle.