A complete set of interactive math logic puzzles that build number sense, reasoning, and problem-solving skills through clue-based deduction. In these Google Slides brain teasers, students read clues, eliminate impossible answers with drag-and-drop markers, and determine the mystery number using logical reasoning — not guessing. These short puzzles build reasoning while reviewing key math skills like place value, operations, comparison, factors, and divisibility. Grades 3–6 | Upper Elementary Ma