Challenge your students with this fun and engaging One Hundred Puzzles 90 workbook! These logic-based number puzzles help students strengthen their critical thinking, number sense, and problem-solving skills while having fun. Students must figure out the missing number so that every row and column adds up to 90—a perfect brain-boosting math activity! Ideal for classrooms, homeschool, math centers, early finishers, and independent learning. WHAT’S INCLUDED 150 One Hundred Puzzle Activities