New Trammel Files for 3d Printing! Thank you to Dr. Amanda Sereveny and students at Riverbend Community Math Center who made files to make this in 3d print version and made us a quantity to use and distribute. There are three parts — be sure to make two of the “inserts” if you print your own or order. Files here.

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## Take and Make: Scott Kim Block by Block Jr.

Whether in 1″ Maple, or 1/2″ pine, or 5″ cardboard, this block set known as Block by Block Jr. designed by puzzle designer Scott Kim has multiple uses and offers a variety of ways to practice spacial skills, problem solving and just have fun together. We highly recommend this activity for all ages. We ordered 1000 block from a

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## Take and Make: Tabletop Optical Illusions and Perspective Playground

We found an instructable on making chalk art patterns in CorelDraw. But guess what? — you can use this technique to poster print all kinds of fun 3d designs. The instructable is here. Its pretty cool! We sent a logo perspective box, aReuleux car and some conic section models to the NWMath Conference. PDFs can be printed in various sizes. “Chalk”

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## Event Report: Summer Intern Riley Hendricks’ Activity Table at Explora New Mexico

Riley is participating in the MathHappens Foundation 2022 remote internship program. Internships are posted with Parker Dewey where students from all over the United States can access a range of micro-internships. Our remote internship program (Program Sequence here) includes a maker kit, making several MathHappens Projects and completing an outreach assignment. Work is very independent so initiative, persistence and adaptation

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## Math-On-A-Stick, Minnesota State Fair

For 12 days every fall well over a hundred thousand people a day have the opportunity to visit a wonderful mathematical playground along with eating corndogs, fresh apples and snow cones. Math-On-A-Stick is created by Christopher Danielson of Talk Math with Your Kids, and is supported by numerous donors, volunteers visiting mathematicians and artists. As a visiting mathematician we had

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## Mathemagician Sunday Funday – Neill-Cochran House Museum

We built mathematician kits! We explored the magic area puzzle, cut and assembled linkages, taped impossible cylinders, made cipher nametags, proved that 64=65, a geometric dissection with hinged pieces (circle – square – heart) and more. Read about the whole kit here. There are links to printable versions, and notes about each project. Thanks to Quan Nguyen, Mason Chng and

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## The Math Room at The Austin Nature and Science Center

We are located inside the visitors center at the Austin Nature and Science Center at 2389 Stratford Drive. Admission is free every Saturday from 9 am – 3pm and Sunday from noon – 3pm Come by and take a look, or check out the 2022 Summer Summary here. Some items may change from week to week! More great photos from July

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## Future Math Makers and Remote Interns- How to get started!

The first project is a custom nametag! For summer 2022 MathHappens Foundation is sponsoring an internship for math majors and others interested in making math more accessible to engage with a makerspace by making math models. We worked with Parker-Dewey, a facilitator of micro internships to find students from all over the US interested in this project. We created a

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## Talking math strategies at Nerd Nite Austin

This intrepid team from the audience solved a series of pooled testing challenges! And overall we had a great experience talking to the gaming experts at Nerd Nite Austin at the Vigilante Gastropub and Bar last night! The program (see second half of twitchtv broadcast) included the Birthday Paradox. In the crowd of 65 there were 6 sets of twins!

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## Sheryl Hsu’s Math Exhibit at the Play Like a Miner Exhibit, Almaden Quicksilver Museum

Kruskal’s Algorithm Minimal Spanning Tree: Railroad Table This project was created by Sheryl Hsu for exhibit at the Almaden Quicksilver Mine and sponsored by MathHappens Foundation. Sheryl wrote us a detailed proposal that described her project, the mathematics she planned to explain and the details of construction. You can read it here. Then she built it! See Sheryl’s video where

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