Challenge students with engaging number logic puzzles that build critical thinking, reasoning, and problem-solving skills!This printable 100 Number Puzzles Sum 40 Activity Book provides a fun and educational way for students to practice addition, logic, number sense, and strategic thinking. Each puzzle requires students to place an additional digit into the grid so that every row and column equals 40.Perfect for math centers, morning work, early finishers, enrichment activities, gifted learners,