This easy Sudoku puzzle features the lowercase letters a, b, c, and d! Solve the puzzle by writing each letter only once in each row, column, and block.

This level 6 KenKen® is a challenging puzzle for students who want to work on their logic and math reasoning skills.

Check out this beginner level KenKen® puzzle — a puzzle that uses math operations and logic.

This fun puzzle will get your students using logic as they add, subtract, multiply, and divide their way towards the answer.

This addition and subtraction KenKen® puzzle will help your students focus on improving his mathematical reasoning while testing their computation abilities.

This difficult puzzle will help your students become a KenKen® master as they use different operations and a lot of logic to solve it!

Solve a sunny, summery sudoku puzzle in this sandcastle-themed puzzle!

Enjoy a fun-filled snow day in this middle-grade logic puzzle!

In autumn, the leaves turn red, orange, and yellow—test your logic skills with a sudoku puzzle to match!

This is a medium-difficulty math and logic KenKen® puzzle uses addition, subtraction, multiplication and division and, of course, a lot of logic!