#sidewalkmath
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benjamindickman.bsky.social
photos of #SidewalkMath

all four photos of various chalked arithmetic and patterning next to the Alice in Wonderland pond in Central Park

each student came prepared w 1 or 2 items to sketch for our #MathsToday ♾️

back tomorrow, weather permitting!
April 14, 2025 at 7:36 PM
benjamindickman.bsky.social
Central Park #SidewalkMath on a Tuesday in late April:
Photo of sidewalk math. One of the problems says: How many ways can you make 10 using only the addition of whole numbers? What if order matters? What if order doesn't matter? There are also a few sequences written down, including: 2, 3, 10, 12, 13, 20, ?
April 28, 2026 at 9:01 PM
benjamindickman.bsky.social
more examples of #SidewalkMath from today

post rain (still drizzling ☔) but the chalk looks good on the pavement!

images are of various problems such as sequences, which one doesn't belong, and how many (triangles)

more #MathsToday 🎨♾️
April 15, 2025 at 2:20 PM
benjamindickman.bsky.social
found an ancient #SidewalkMath post (courtesy of @marktrushkowsky.bsky.social photograph)!
sidewalk math: the equations from the parent tweet are included, along with the questions: What do you notice? What do you wonder? the parent tweet's three equations are: 1+2 = 3 4+5+6 = 7+8 9+10+11+12 = 13+14+15
November 19, 2024 at 1:53 PM
benjamindickman.bsky.social
throwback article written by a high school student (who is now done w college!) about #SidewalkMath:
www.hewittschool.org/about/news/s...
News Article - The Hewitt School
News Article - The Hewitt School
www.hewittschool.org
June 30, 2025 at 1:33 PM
benjamindickman.bsky.social
Now generously summarized by my colleague! Another #MathsToday exploration of #SidewalkMath:
www.linkedin.com/posts/liz-br...

cc #iTeachMath ♾️
Today, Tim C. and I joined Benjamin Dickman's Mathematical Problem Solving… | Liz Brennan
Today, Tim C. and I joined Benjamin Dickman's Mathematical Problem Solving and Problem Posing class in Central Park for some "Sidewalk Math". You can see passersby engaging with and disc...
www.linkedin.com
April 16, 2025 at 12:10 AM
benjamindickman.bsky.social
thanks for the shout-out! once the weather in NYC warms up a bit we should be back in Central Park for some more #SidewalkMath.

All credit to Brian Palacios for bringing this movement to my attention (and to Henry Pollak et al around Math Trails!).
February 25, 2025 at 10:15 PM
marktrushkowsky.bsky.social
This is lovely.

#sidewalkmath #rehumanizingmathematics
#mathforidentityandbelonging
A photo of a sidewalk with two circles. Each circle has six smaller circles inside, colored (clockwise from 3 o’clock) blue, purple, teal, red, pink, yellow. In the center of each circle is a pair of bare footprints. Between the two larger circles are the words “mirror me”
February 15, 2026 at 12:41 AM
benjamindickman.bsky.social
i've used this problem for SidewalkMath (chalking it on the ground e.g. in Central Park and seeing who stops to engage with it)... seems to get a good number of pedestrians; I'd guess bc the setup with counting numbers, in order, and additon... is... relatively inviting!
November 19, 2024 at 12:37 PM
normabgordon.bsky.social
Leaving some #sidewalkmath #publicmath today after playground time! #iteachmath #icoachmathed
Sidewalk math "How Many" with 4 purple circles, (one shaded), 3 yellow (one shaded), and 2 brown circles (both shaded).
May 12, 2025 at 12:22 AM
mathequityforum.bsky.social
come from some higher authority, eg textbooks, teachers, or pre-written curricula. #SidewalkMath is an opportunity not only for students to learn more mathematics, but also to feel a sense of ownership over the mathematical ideas that they are generating as a part of this process.” /2
February 24, 2025 at 6:52 PM
tc-mst.bsky.social
This week’s #SummerOfSTEM challenge, inspired by a STEAMnasium fave: Sidewalk Math! 🧠

Turn your driveway into a math playground with number lines, patterns, or hopscotch equations.

Tag us with your chalk creations!
#MSTatTC #STEAMnasium #SidewalkMath
June 30, 2025 at 1:27 PM