Olive and Otto must stop a villain who has turned townspeople and Odd Squad agents invisible. With deductive reasoning, Olive and Otto use the clues given to them to eliminate numbers they will not need to ultimately lead them closer to the solution. Go Olive and Otto! Algebraic Thinking: using complex clues, rules, and patterns to solve mathematical problems. The Odd Squad show aims at problem solving and thinking and includes building procedural fluency as well as building conceptual understanding. The show uses creativity and imagination to foster inquiry and math-talk.