However you use these logic puzzles in your first and second grade classrooms, they will provide a fun review with engaging themes for mastering math facts, promote beginning algebraic thinking, and become a class favorite activity! These are great for gifted and talented education, morning warm ups, sub activities, fast finishers, and more!These logic puzzle task cards can be used as traditional task cards for centers, write the room, and fast finishers – but they can also be used as a whole c