UChicago STEM Education is a tool development, research and evaluation, and school support center committed to solving education's most enduring problems through practical tools, research and direct work with schools. Institutional home for Everyday Mathematics, UCSMP, Science Companion, CryptoClub, Outlier Research & Evaluation, Canon Lab and the UChicago Financial Education Initiative. Visit our website http://stemed.uchicago.edu or find us on twitter https://twitter.com/UChicagoSTEMEd