When does 2 + 7 + 8 = 1 ?NCTM 2015 Ignite, Boston, MA The Math Practices: An Inclusive ClimbNCSM 2016 Ignite, Oakland, CA Our Greatest Challenge, Grace Kelemanik frames what it takes to teach mathematical thinking and reasoning in a 5 minute Ignite talk at NCTM San Diego 2019 http://fast.wistia.net/embed/iframe/vq6ac918rm?time=32:40 Grace and Amy talk about various aspects and benefits of instructional routines.