To find the Mystery Year for the date of October 20th in this warm-up puzzle, students solve clues that involve finding percent and percent growth, finding products with mixed numbers, and using proportions in a real-world context. The clues connect math with various aspects of the life of Kamala Harris. Math History-Mystery Puzzles for Middle School are research-based and are great motivators for middle school or high school students to use any time. Your PDF download includes:2-page digital ve