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Sept. 15 Math Mystery Year Puzzle: Agatha Christie's Birthday
Sept. 15 Cover Image

Sept. 15 Math Mystery Year Puzzle: Agatha Christie's Birthday

During this middle school math warm-up activity, students solve clues to find the Mystery Year of Agatha Christie's birthday. The clues involve logical reasoning with a truth table, least common multiple, order of operations with fractions, and perimeter of a rectangle.

Your PDF download includes:
  • 1-page printable student puzzle
  • 2-page digital version with horizontal layout and larger print
  • 2 pages of Teacher Notes including step-by-step solutions, historical notes, and more
  • 1-page How to Use History-Mystery Puzzles
PREVIEW FILE
Common Core Standard: 5.OA.A.1, 6.NS.B.4, 7.EE.B.4a
File Format: PDF
Your Price: $1.50