CrossMath Focused – 4: Division Puzzles for Kids: Challenging Math Crosswords to Build Division Confidence (Math Mastery Through Fun Puzzles for Kids)

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

CrossMath Focused – 7: Addition & Division Puzzles for Kids: Unique CrossMath Challenges Linking Two Key Operations (Math Mastery Through Fun Puzzles for Kids)

CrossMath Focused – 10: Multiplication & Division Puzzles for Kids: Final Volume of the Series to Master All Major Operations (Math Mastery Through Fun Puzzles for Kids)

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