Designed for students in 4th, 5th, 6th, 7th, 8th, 9th, 10th, 11th, and 12th grades, upper elementary, middle school, or high school, early finishers, middle schoolers, high schoolers, Gate, gifted and talented, secondary school, homeschool, Kid Education, Junior high school ! Juneteenth SUDOKU MATH AND LITERACY PUZZLE. MATH CHALLENGES activities. These sudoku worksheets will challenge students critical thinking, mathematical logic, and problem-solving skills. No prep, just print and go - perfect