On September 17 of the Mystery Year, Ernie Banks became the first Black player for the Chicago Cubs. As student solve clues for the year, they review multiplicative comparisons, percent (win percentage), factors, and least common multiple in a real-world context. This puzzle is perfect for 6th grade and up.Your PDF download includes:2-page digital version with horizontal layout, prepped for Easel 1-page printable version2 pages of Teacher Notes including step-by-step Solutions, an Extension, His