St. Patrick’s Pattern Completion is an interactive St. Patrick’s Day math game for kindergarten and first grade students that builds pattern literacy through a fill-in-the-blank structure. Students are presented with a randomly generated repeating pattern — AB, AAB, ABC, or ABBC — with a portion of the cards hidden, then select from a palette of shamrock, gold coin, and rainbow cards to complete the sequence. A visual progress bar tracks how many blanks remain, and the game regenerates a fresh puzzle each session, making it endlessly replayable. Aligned to Common Core Kindergarten Operations and Algebraic Thinking standards and state math frameworks emphasizing pattern extension, St. Patrick’s Pattern Completion supports both independent practice and guided math centers with no prep required.