October 20 of the Mystery Year was the first World Statistics Day. Clues for finding the year involve analyzing the mean, analyzing the mean absolute deviation, and estimation in a real-world context. This math 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
- 3 pages of Teacher Notes including step-by-step solutions, historical notes, and more
- 1-page How to Use History-Mystery Puzzles