Andy Matuschak@andy_matuschakI really like how this math activity focuses on extracting and highlight your own internal contradictions.Quote TweetDan Meyer@ddmeyer · Jun 7, 2017Here's how the new @Desmos lessons illustrates our playbook for creating digital math activities. http://bit.ly/2sgohrR4:49 PM · Jun 7, 2017·Twitter for Mac1 Retweet1 Quote Tweet5 Likes