December 20 of the Mystery Year marks the first International Human Solidarity Day. Math clues for finding the year involve operations with decimals, working with percents greater than 100%, and multiplicative comparisons. Included is a simulation, The Distribution of Food in the World. Students learn that a key goal of International Human Solidarity Day is to eradicate poverty. This interesting puzzle provides mixed math review for middle school and high school students.
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