The Mars Odyssey was launched on April 7 of the Mystery Year. As students solve math clues they will use scientific notation, Additive Inverse Property, solve a multi-step equation, ratios (unit rate), least common multiple, and prime numbers.Your Zip download includes printable/digital PDFs:1-page printable Student Puzzle, also prepped for Easel1-page Answer Key with sample solutions1-page version of puzzle with expanding form fields – use with Acrobat Reader A complete file including the stude