# Sept. 16 Math Mystery Year Puzzle: David Copperfield's Birthday

In this puzzle for middle school math, students solve clues to find digits of the

*Mystery Year*of magician David Copperfield's birthday, September 16th. Students will perform a series of operations in a number "trick" Ñ and then use algebra to show why the trick works. Other skills are applying order of operations and finding volume of a right rectangular prism.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*

**Common Core Standard:**4.OA.B.4, 6.G.A.2, 6.NS.B.3

**File Format:**PDF

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In this puzzle for middle school math, students solve clues to find digits of the

*Mystery Year*of magician David Copperfield's birthday, September 16th. Students will perform a series of operations in a number "trick" Ñ and then use algebra to show why the trick works. Other skills are applying order of operations and finding volume of a right rectangular prism.Your PDF download includes: