Christopher Danielson @Trianglemancsd
Working and playing at the intersection of mathematics and children's minds. Author at Stenhouse. Public Math. (Find me on blue sky, where I am triangleman.) talkingmathwithkids.com St Paul, Minnesota Joined December 2009-
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Christopher Danielson retweeted
Guess what just arrived!! How Did You Count? by @Trianglemancsd and YES, it’s just as beautiful as it looks. What a gem! I’m not sharing, so please get your own: amazon.com/How-Did-You-Co…
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Christopher Danielson retweeted
From award-winning math author @Trianglemancsd, How Did You Count? is sure to spark conversation, questioning, and wondering amongst younger and older students alike. Get your copy for 20% off during our Mid-Year Sale: spr.ly/60194LMdT #StenhousePub
Twin Cities! Do you have need of a super bright, outgoing and highly talented college student to help you out with a thing this summer? A math or coding camp perhaps? I have just your person! Hit me up and I'll connect you!
👋 Hi friends! Things got very bad very quickly at work, so I'm back on the market. DM's are open here; you can get in touch here with leads, tips, questions, and any late-breaking berry-picking info: talkingmathwithkids.com/contact
Have you followed along with Math On-A-Stick and wondered what it would take to make this kind of joyful, creative math happen in your locality? Well, let's gooooooooooooooo mathhappens.org/math-at-the-fa… cc @MathHappensOrg
Christopher Danielson retweeted
Join us for our annual CONNECT Night for pre-service and new/beginner math teachers of all levels. Register: tinyurl.com/CONNECTnight @mctm_mn @vangmay1 @Trianglemancsd @saravdwerf
Not hanging out here these days. Come see me at bluesky, where I am just plain old triangleman. There’s a tiny little giveaway for the new book you’ll find over there.
Not hanging out here these days. Come see me at bluesky, where I am just plain old triangleman. There’s a tiny little giveaway for the new book you’ll find over there.
Later this morning!
Any #jmm2025 folks who want to talk outreach should join us Friday morning at 11:00. Details here: docs.google.com/document/d/1SJ… Hit me up with questions! cc: @MathHappensOrg @JointMath
Coming in March!
Christopher Danielson retweeted
This is a friendly reminder to the #MTBoS, #ITeachMath, and #MfAProud people that the conversations on Bluesky are more meaningful and less cluttered (no ads!). Here are some of my favorite math ed people who have moved to that other place. go.bsky.app/VmAubGC
so much M
Christopher Danielson retweeted
Me: How many safety pins do we need? 2nd grader: Are you asking me what is five times four? Me: Yes. 2nd grader: 4, 8, 12, 16, 20. #TMWYK
Christopher Danielson retweeted
Cloudy winter sunset on Temperance River ❄️🌲
Christopher Danielson retweeted
Hat tiles! talkingmathwithkids.com/shop/hat-tiles/ Spread the word!
Christopher Danielson retweeted
Good morning, #NCTE24! We are here bright and early in booth #203-205 with a FLASH SALE of 50% off all our #StenhousePub books by teachers, for teachers! Stop on by.
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