CrossMath Focused – 9: Subtraction & Division Puzzles for Kids: Advanced CrossMath Games for Growing Minds (Math Mastery Through Fun Puzzles for Kids)

CrossMath Focused – 2: Subtraction Puzzles for Kids: Engaging Math Crosswords to Sharpen Subtraction Skills (Math Mastery Through Fun Puzzles for Kids)

CrossMath Focused – 8: Subtraction & Multiplication Puzzles for Kids: Dynamic Math Crosswords for Stronger Skills (Math Mastery Through Fun Puzzles for Kids)

CrossMath Focused – 5: Addition & Subtraction Mix Puzzles for Kids: Balanced Math Crosswords to Boost Both Skills (Math Mastery Through Fun Puzzles for Kids)

CrossMath – 200 Math Crossword Puzzles for Adults: Mixing Addition, Subtraction, Multiplication & Division