| The answers to JPL Education's Pi Day math challenge are out! Did your students get the same answers as our NASA scientist and engineer experts? Download the illustrated answer key here (PDF, 8 MB) and find out. In case you missed it: In honor of the "Pi Day of the Century" (3/14/15), the Education Office at NASA's Jet Propulsion Laboratory has crafted another stellar math challenge to show students of all ages how NASA scientists and engineers use the mathematical constant pi, or 3.1415 … The 2015 problem set -- available as a web infographic and printable handouts -- features four real-world, NASA math problems for students in grades 4 through 11, including: calculating the dizzying number of times a Mars rover's wheels have rotated in 11 years; finding the number of images it will take the Dawn spacecraft to map the entire surface of the dwarf planet Ceres (the first dwarf planet to be explored); learning the potential volume of water on Jupiter's moon Europa; and discovering what fraction of a radio beam from our most distant spacecraft reaches Earth. The word problems were crafted by NASA/JPL education specialists with the help of scientists and engineers, and give students insight into the real calculations space explorers use every day. For more pi challenge educator resources, including downloads and an illustrated answer key, visit: http://www.jpl.nasa.gov/edu/piday2015 The JPL Education Office provides formal and informal educators, parents and students with NASA science, technology, engineering and mathematics (STEM) content, including resources, classroom activities and internship opportunities. To learn more, visit the JPL Education homepage at: http://www.jpl.nasa.gov/education/ Get latest updates from the JPL Education Office by following us on Twitter @NASAJPL_Edu, Facebook at https://www.facebook.com/NASAJPLStudents, Instagram at http://www.instagram.com/NASAJPL_Edu and Vine at http://www.vine.co/NASAJPL_Edu | 
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