Dec. 1 Cover Image

Dec. 1 Math Mystery Year Puzzle: First COVID-19 Case

December 1 of the Mystery Year was a key date for the Covid-19 virus. As students solve clues for the year, they review percent, proportions, equations, ratios, and reasoning skills in a real-world context. This engaging puzzle is great for middle school or high school students to use any time.

Your PDF download includes:

1-page printable student puzzle
2-page digital version with horizontal layout and larger print
4 pages of Teacher Notes including step-by-step solutions, historical notes, and more
1-page How to Use History-Mystery Puzzles