Peter DeCraene (@ShowTheWork )

Peter DeCraene

Bio High school Math/Comp Sci teacher, MMC Chicago Webmaster, NBCT, PAEMST '11, and Library of Congress Einstein Fellow '20-21. Opinions are solely my own.
Lokasyon Evanston, IL
Tweets 219
Followers 110
Following 168
Account created 26-06-2014 14:14:29
ID 2589663434

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New York, NY | Journalist, storyteller, lifelong reader. Texan by birth and by choice. Author of WHAT UNITES US #WhatUnitesUs and the Steady letter #steady

Naperville, IL | High School Math Teacher, Move and Learn, Energizing Brain Breaks, Engaging Teaching Tools, 2019 PAEMST Awardee

The Internet | Come explore the MathTwitterBlogosphere! (Tweets by Sam Shah, @crstn85, @elizraskin, @jreulbach & @sweenwsweens, feel free to send questions directly to them.)

Challenging math problems worth solving. Check out our online workshop ( & book ( by @robertkaplinsky. Tweets: @laura_wagenman

Long Beach, CA | Math educator. Love helping teachers. @openmiddle co-founder. #OpenMiddleBook author. #ObserveMe creator. @GrassrootsWS Pres. Lessons & ideas:

Fresno, CA | I teach math to future elementary school teachers at Fresno State. I also make math memes. Pianist. Love gymnastics.

San Francisco | MindShift explores the future of learning, covering cultural and tech trends and innovations in education. Find the MindShift Podcast at

Washington, DC | Girl from the South Side and former First Lady. Wife, mother, dog lover. Always hugger-in-chief. #IAmBecoming

Kindergarten math intervention teacher. I teach in a public school and I have nothing to sell. Play fair. Roll hard.

United States of America | Welcome to the Biden-Harris White House! Tweets may be archived:

Low Earth Orbit | Husband, Dad, @USNavy Commander and @NASA Astronaut. Current resident of the @Space_Station as part of the @SpaceX Crew-1 Mission!

Trevor Noah and The Daily Show News Team. Weeknights 11/10c on @ComedyCentral. Visit to take action against the issues you care about

Missoula, MT | Author of Breaking and Entering, Epic Measures, & Growing a Garden City. Freelancer for @NYTimes, @TheAtlantic, @DiscoverMag, etc. Prolific podcaster. He/His.

Seattle, WA | A Seattle-based non-profit providing workshops for teachers, parents & students. Cultivating leaders through interactive, holistic & inclusive learning spaces.

Philadelphia, PA | Math educator, GSP lifer, Desmos newbie, bike commuter, reader, bass guitarist, hockey goalie, off-grid home owner, beer nerd, cat person, she/her #NoticeWonder

Pasadena CA | Professor, writer, truth & grace seeker. VP @amermathsoc, Past-Pres @maanow. New book: Mathematics for Human Flourishing (2020) @Math4HF