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  5. May 20 Math Mystery Year Puzzle: Blue Jeans Patent Issued to Strauss and Davis
May 20 Math Mystery Year Puzzle: Blue Jeans Patent Issued to Strauss and Davis
May 20 Cover Image

May 20 Math Mystery Year Puzzle: Blue Jeans Patent Issued to Strauss and Davis

As students solve this Mystery Year puzzle, they use proportions and percent to calculate markup and markdown. The context of this puzzle is the patent issued on May 20 of the Mystery Year by businessman Levi Strauss and tailor Jacob Davis.

Your PDF download includes:
  • 1-page print/digital Student Puzzle
  • 1-page Answer Key with sample solutions
  • 2 pages of Teacher Notes with step-by-step solutions, reteaching tips, historical notes, and optional extension questions
  • 1-page of tips, How to Use History-Mystery Puzzles
PREVIEW FILE
Price: $1.50
Common Core Standard: 7.RP.A.3, MP6
File Format: PDF
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