Dec. 7 Cover Image

Dec. 7 Math Mystery Year Puzzle: Pearl Harbor Is Attacked

This cross-curricular warm-up provides cryptology connections to the Pearl Harbor attack on December 7 of the Mystery Year. Math clues for finding the year require students to evaluate expressions at specific values of their variables to decode a message, operations with decimals, and reasoning skills.

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